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TOOPERATIVE NATIONAL PARK RESOURCES STUDIES UNIT UNIVERSIW OF HAWAII AT MANOA Department of Botany Honolulu, Hawaii 96822 Clifford W. Smith, Unit Director Associate Professor of Botany CPSU/UH Avian History Report 6B HISTORY OF ENDEMIC HAWAIIAN BIRDS Part I. POPULATION HISTORIES--SPECIES ACCOUNTS Forest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii Volcanoes National Park Hawaii 96718 Paul C. Banko College of Forest Resources University of Washington Seattle, Washington 98195 June 1980 UNIVERSITY OF HAWAII AT MANOA NATIONAL PARK SERVICE Contract No. CX 8000 8 0012 Contribution Number CPSU/UH 026/12

Transcript of lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and...

Page 1: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

TOOPERATIVE NATIONAL PARK RESOURCES STUDIES UNIT

UNIVERSIW OF HAWAII AT MANOA

Department of Botany

Honolulu, Hawaii 96822

Clifford W. Smith, Unit Director Associate Professor of Botany

CPSU/UH Avian History Report 6B HISTORY OF ENDEMIC HAWAIIAN BIRDS

Part I. POPULATION HISTORIES--SPECIES ACCOUNTS Forest Birds: Hawaiian Raven/Crow lala) la)

Winston E. Banko and Paul C. Banko

Winston E. Banko Research Associate

Hawaii Field Research Center Hawaii Volcanoes National Park

Hawaii 96718

Paul C. Banko College of Forest Resources University of Washington Seattle, Washington 98195

June 1980

UNIVERSITY OF HAWAII AT MANOA

NATIONAL PARK SERVICE Contract No. CX 8000 8 0012

Contribution Number CPSU/UH 026/12

Page 2: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

ABSTRACT

Corvus t r o p i c u s i s a medium-sized, b r o w n i s h - b l a c k , r o b u s t -

b i l l e d r aven /c row endemic t o t h e i s l a n d o f Hawai ' i. Very l i t t l e

i s known of i t s d i s t r i b u t i o n and r e l a t i v e abundance d u r i n g t h e

f i r s t 100 y e a r s a f t e r d i s c o v e r y o f t h e s p e c i e s d u r i n g t h e voyage

o f C a p t a i n James Cook i n 1778 . O b s e r v a t i o n s and c o l l e c t i o n o f

s p e c i m e n s f rom 1887 t o 1 9 0 2 i n d i c a t e t h a t ' A l a l z w e r e common t o

a b u n d a n t l o c a l l y i n Kona and Ka'G d i s t r i c t s , b e i n g found c h i e f l y

i n f o r e s t s f rom 1700 t o more t h a n 3000 f e e t e l e v a t i o n and con-

s p i c u o u s l y a b s e n t e l s e w h e r e . Today, however , t h e b i r d is con-

s i d e r e d r a r e and i n d a n g e r o f e x t i r p a t i o n . D i s t r i b u t i o n a l

r e c o r d s a r e shown by U . S. G e o l o g i c a l S u r v e y q u a d r a n g l e . Ref-

e r e n c e s and names o f o b s e r v e r s a r e c i t e d . C o m p l e t e n e s s o f d a t a ,

b i a s , e r r o n e o u s and d o u b t f u l r e c o r d s a r e a d d r e s s e d . F i n d i n g s a r e

summarized. T h e r e is a n e x t e n s i v e d i s c u s s i o n o n ' n e s t i n g . Few

and w i d e l y s c a t t e r e d b r e e d i n g g r o u p s , a p p a r e n t low s u r v i v a l o f

f l e d g l i n g s and immatu re s , and u n p r e c e d e n t e d w a n d e r i n g d u r i n g t h e

c o n t e m p o r a r y p e r i o d a l l s u g g e s t c o n t i n u i n g d e p o p u l a t i o n . C a p t i v e

b r e e d i n g f o r r e i n t r o d u c t i o n i n t o r e s t o r e d h a b i t a t s is t h e mos t

o b v i o u s r e m a i n i n g hope o f p r e s e r v i n g a s e l f - s u s t a i n i n g w i l d

p o p u l a t i o n .

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TABLE OF CONTENTS

. . . . . . . . . . . . . . . . . . . . . L I S T O F F I G U R E S .

. . . . . . . . . . . . . . . . . . . . 2. C o r v u s t r o p i c u s

OBSERVATIONS, REPORTS, AND SPECIMEN RECORDS. . . . . . E a r l y S t a t u s and D i s t r i b u t i o n ( 1 7 7 8 - 1 8 8 6 ) . . . . .

. . . . . . . . . . . . L a t e r A c c o u n t s (1887-1909)

. . . . . . . . . . . . . . . . . Kona D i s t r i c t . . . . . . . . . . . Ka'E D i s t r i c t (1887-1909) . . Hawaii V o l c a n o e s N a t i o n a l P a r k ( 1 8 8 7 - 1 9 0 9 ) .

O b s e r v a t i o n s b y L i f e - l o n g R e s i d e n t s and O t h e r s (1910 -1939) . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . Kona D i s t r i c t . . . . . . . . . . . KalE D i s t r i c t (1910-1939) . . Hawaii V o l c a n o e s N a t i o n a l P a r k (1910 -1939) .

R e p o r t s and E a r l y S u r v e y s (1940-1966.) . . . . . . . Kona D i s t r i c t . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ka'E D i s t r i c t (1940-1966) . . Hawaii V o l c a n o e s N a t i o n a l P a r k ( 1 9 4 0 - 1 9 6 6 ) .

Con tempora ry O b s e r v a t i o n s (1967 -1978) . . . . . . . . . . . . . . . . . . Kona D i s t r i c t (1967-1978) . . . . . . . . . . . ~ a ' c D i s t r i c t (1967-1978)

Hawaii V o l c a n o e s N a t i o n a l P a r k (1967 -1978) . . . E x t r a - l i m i t a l O b s e r v a t i o n s . . . . . . . . . . .

. . . . . . . . . . . . . . K o h a l a D i s t r i c t . . . . . . . . . . Kona and K a 1 5 D i s t r i c t s . . . . . . Hawaii V o l c a n o e s N a t i o n a l P a r k . . . . . . . . . . . . . . ~ i l a u e a D i s t r i c t . . . . . . . . . . . . . Mauna Kea D i s t r i c t .

. . . . . . . . . . . . . . . . . . . . Maui.

F r e q u e n c y and S e a s o n o f E x t r a - l i m i t a l S i g h t i n g s . .

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TABLE OF CONTENTS ( C o n t i n u e d )

. . . . . . . . . . . . . . . . . . . I n t r o d u c t i o n

. . . . . . . . . . . . . . . . . N e s t i n g R e c o r d s .

. . . . . . . . . . . . . . . . . K o n a D i s t r i c t

. . . . . . . . . . . . . . . . P u l u a n a h u l u . . . . . . . . . . . . . . P u l u w a l a w a l a R a n c h . . . . . . . . . . . . . . . . H u a l z l a i R a n c h . . . . . . . . . . . . . . . . . P a l a n i R a n c h . . . . H E n a u n a u F o r e s t R e s e r v e ( G a s p a r s ~ a i r y ) M c C a n d l e s s R a n c h ( K e Z l i a 1, 2 and H o l o k e n a ) .

. . . . . . . . . . . S i z e of B r e e d i n g P o p u l a t i o n .

N e s t i n g R e s u l t s . . . . . . . . . . . . . . . . . . E l e v a t i o n a l R a n g e of N e s t s . . . . . . . . . . .

. . . . . . . . . . . . . . . . S i t e Selec t ion .

. . . . . . . . Seasonal P a r a m e t e r s of N e s t i n g .

N e s t i n g Success . . . . . . . . . . . . . . . . O b s e r v e r I n f l u e n c e on N e s t i n g S u c c e s s . . . . . C l u t c h - s i z e , H a t c h i n g , and F l e d g i n g Success . .

S u r v i v a l of F l e d g l i n g s . . . . . . . . . . . . . . F l e d g l i n g Sa lvage - C a p t i v e B r e e d i n g . . . . . . . T o t a l P o p u l a t i o n S i z e . . . . . . . . . . . . . . .

. . . . . . . . . GEOGRAPHICAL D I S T R I B U T I O N OF RECORDS

CHRONOLOGICAL D I S T R I B U T I O N OF RECORDS. . . . . . . . . COMPLETENESS OF DATA, B I A S , . . . . . . . . . . . ERRONEOUS AND DOUBTFUL RECORDS.

. . . . . . . . . . . . . . . . . . . . . CONCLUSIONS.

O B S E R V E R S . . . . . . . . . . . . . . . . . . . . . . .

REFERENCES C I T E D . . . . . . . . . . . . . . . . . . . U N P U B L I S H E D S O U R C E S C I T E D . . . . . . . . . . . . . . . A P P E N D I X I . . . . . . . . . . . . . . . . . . . . . .

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LIST OF TABLES

T a b l e

1. Summary r e s u l t s o f n e s t i n g , 1964-1978 . . . . . . . . 26

2. N e s t i n g s u c c e s s . . . . . . . . . . . . . . . . . . . 33

3. C l u t c h - s i z e , i n c u b a t i o n , and n e s t l i n g p e r i o d of Corvus . . . . . . . . . . . . 36

. . . . . 4 . P o s t - r e l e a s e s i g h t i n g s o f banded f l e d g l i n g s 37

5. D i s t r i b u t i o n o f 617 ' ~ l a l s r e c o r d s by decade . . . . . 42

LIST OF FIGURES

F i g u r e

D i s t r i b u t i o n o f o b s e r v a t i o n s , r e p o r t s , -

and museum r e c o r d s of Corvus t r o i c u s , . . . . p e r q u a d r a n g l e , on 1s1- e 7 8 - 1 9 7 8 . 43

2. D i s t r i b u t i o n o f o b s e r v a t i o n s , r e p o r t s , and museum r e c o r d s o f Corvus t r o p i c u s , . . . p e r q u a d r a n g l e , on I s l a n d o f Hawai ' i , 1778-1978 44

Page 6: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

2 . Corvus t r o p i c u s 'A l a l z o r Hawa i i an Raven/Crow

W i n s t o n E. Banko and P a u l C . Banko

The ' ~ l a l g is a medium-sized , b r o w n i s h - b l a c k , r o b u s t - b i l l e d r aven / c row endemic t o t h e i s l a n d o f H a w a i ' i . A u t h o r i t i e s d i f f e r on t h e c o r r e c t s c i e n t i f i c name o f t h e 'Ala lz . B r y a n and Greenway ( 1 9 4 4 ) and S t r e s e m a n n ( 1 9 5 0 ) d e t e r m i n e d i t t o b e C o r v u s h a w a i i - e n s i s b u t l a t e r a u t h o r s (Amadon 1 9 5 0 ; B e r g e r 1 9 7 2 ) u s e C. t r o p - i c u s w i t h o u t g i v i n g a r a t i o n a l e . Mayr and S h o r t ( 1 9 7 0 ) s t a t e d - t h a t C o r v u s t r o p i c u s a p p e a r e d t o b e d e r i v e d f rom C. c o r a x , t h e Common Raven o f N o r t h Amer ica . Henshaw ( 1 9 0 2 ) , ~ e r x i n s ( l g O 3 ) , and Munro ( 1 9 4 4 ) p r o v i d e f i r s t - h a n d a c c o u n t s o f i t s r a n g e , f o o d , and b e h a v i o r . Tomich ( 1 9 7 1 ) d e s c r i b e d i t s n e s t and e g g s . B e r g e r ( 1 9 7 2 ) i n t e g r a t e d t h e s e and o t h e r a c c o u n t s i n a g e n e r a l t r e a t - ment . Of 72 known s p e c i m e n s , 1 9 a r e i n B e r n i c e P a u a h i B i s h o p Museum; 1 3 i n t h e Amer i can Museum o f N a t u r a l H i s t o r y ; and 1 0 i n t h e U . S . N a t i o n a l Museum o f N a t u r a l H i s t o r y , w i t h t h e b a l a n c e b e i n g s c a t t e r e d i n 11 o t h e r U . S. and f o r e i g n museums (Banko 1978 m s . ) .

OBSERVATIONS, REPORTS, AND SPECIMEN RECORDS

Drawing c o n c l u s i o n s f rom a l a r g e volume o f h i s t o r i c a l i n f o r - m a t i o n o n r e l a t i v e abundance and d i s t r i b u t i o n o f 'A la lz r e q u i r e d t h a t d a t a b e g e o g r a p h i c a l l y a r r a n g e d and c h r o n o l o g i c a l l y o r d e r e d i n a s y s t e m a t i c f a s h i o n , a s o u t l i n e d i n t h e I n t r o d u c t i o n t o P a r t I (CPSU/UH Av ian H i s t o r y R e p o r t 4 ) . R e c o r d s p r e s e n t e d i n Appendix I s a t i s f y c r i t e r i a n e c e s s a r y f o r b a s i c d o c u m e n t a t i o n and c o m p a r a t i v e a n a l y s i s .

I n t h e f o l l o w i n g d e s c r i p t i v e a c c o u n t , s o u r c e s o f p u b l i s h e d i n f o r m a t i o n a r e c i t e d by a u t h o r and y e a r i n t h e u s u a l s t y l e . One, two, o r t h r e e d i g i t numbers i n p a r e n t h e s e s r e f e r t o s p e c i f i c r e c o r d s i n Appendix I . S o u r c e s o f p u b l i s h e d and u n p u b l i s h e d i n f o r m a t i o n l i s t e d i n Appendix I may b e t r a c e d t o c o m p l e t e r e f - e r e n c e s i n t h e b i b l i o g r a p h y .

E a r l y S t a t u s and D i s t r i b u t i o n (1778 -1886) :

C a p t a i n James Cook ( 1 7 8 4 ) o b s e r v e d two tame ' A l a l z i n t h e v i l l a g e o f Kakooa ( K a ' a w a l o a ?/now C a p t a i n Cook) and n o t e d t h a t t h i s s p e c i e s was v e r y s c a r c e ( 3 0 8 , 3 0 9 ) . W i l s o n and Evans ( 1 8 9 3 ) s t a t e d t h a t t h e ' A l a l z was d e s c r i b e d f rom s p e c i m e n s c o l l e c t e d on C o o k ' s voyage , p r e s u m a b l y n e a r K e a l a k e k u a Bay, b u t t h i s p o s s i - b i l i t y was n o t r e c o g n i z e d by S t r e s e m a n n ( 1 9 5 0 ) . Townsend ( 1 8 3 9 ) f a i l e d t o f i n d ' A l a l h i n a b r i e f s e a r c h i n t h e K e a l a k e k u a a r e a i n

Page 7: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

F e b r u a r y 1837 ( 3 l O ) , a l t h o u g h two s p e c i m e n s c r e d i t e d t o Townsend a r e i n museum c o l l e c t i o n s ( 3 1 0 a ) . s p e c i m e n s we re t a k e n f rom 1840 t o 1 8 4 5 i n t h e v i c i n i t y o f K a ' a w a l o a , i n a n unknown l o c a t i o n a d a y ' s j o u r n e y f rom K a i l u a and i n v a r i o u s u n d e s i g n a t e d l o c a l i t i e s ( p r o b a b l y a l l i n Kona D i s t r i c t ) by v a r i o u s u n r e c o r d e d c o l l e c t o r s ( 8 , 1 5 , 311 , 3 1 2 ) . Dole ( 1 8 7 9 ) , commenting t h a t 'A la lz were "by no means a b u n d a n t , " was a p p a r e n t l y unde r t h e i m p r e s s i o n t h a t a l l s p e c i m e n s had o r i g i n a t e d f rom K e a l a k e k u a ( K a ' a w a l o a ) a r e a ( 7 ) .

P e n e t r a t i o n s i n t o h i g h e r f o r e s t s d u r i n g t h i s e a r l y p e r i o d r e v e a l e d ' A l a l g i n g r e a t e r abundance t h a n a l o n g t h e c o a s t . I n h i s d i a r y p u b l i s h e d many y e a r s l a t e r , M e n z i e s ( 1 9 2 0 ) r e p o r t e d s e e i n g them i n 1792 i n a " d e s e r t v a l l e y " a t a b o u t 5000 f e e t e l e v a t i o n a l o n g a t r a i l i n n o r t h e r n Kona D i s t r i c t , p o s s i b l y n e a r w h a t i s now c a l l e d Ahua'Umi H e i a u ( 5 2 0 9 f t e l e v . ) i n t h e a r i d Hua l a l a i -Mauna Loa s a d d l e ( 2 9 7 ) . P e a l e ( 1 8 4 8 ) s t a t e d t h a t ' A l a l z w e r e o b s e r v e d " i n s m a l l s o c i e t i e s i n t h e wooded d i s t r i c t s o f t h e i n t e r i o r , s e ldom i f e v e r v i s i t i n g t h e c o a s t " ( 2 4 ) . D o l e ( 1 8 6 9 ) r e p o r t e d t h a t s e v e r a l we re s e e n by W. T. Br igham and H . Mann i n t h e f o r e s t s o f Kona a t a b o u t 6000 f e e t e l e v a t i o n ( 2 5 ) . T. Ba l - l i e u c o l l e c t e d two s p e c i m e n s i n 1 8 7 6 , p o s s i b l y i n t h e c o l l e c t i n g a r e a h e f r e q u e n t e d on P u l e h u a Ranch ( 1 5 ) . ..

L a t e r A c c o u n t s (1887-1909) :

Kona D i s t r i c t

O b s e r v a t i o n a l n o t e s l e f t b y W i l s o n and Evans ( 1 8 9 3 ) , Henshaw ( 1 9 0 2 ) , P e r k i n s ( 1 9 0 3 ) , and Munro ( 1 9 4 4 ) we re more d e f i n i t i v e c o n c e r n i n g r e l a t i v e abundance and d i s t r i b u t i o n o f ' A l a l Z t h a n e a r l i e r r e p o r t e r s . C o l l e c t i o n r e c o r d s i n d i c a t e t h a t a b o u t 43 ( 6 0 % ) o f t h e 72 museum s p e c i m e n s c o l l e c t e d f rom a b o u t 1840 t o 1 9 0 1 were t a k e n i n Kona D i s t r i c t , t h e r e m a i n i n g 29 b e i n g s e c u r e d i n K a ' t D i s t r i c t .

S. B. W i l s o n c o l l e c t e d t h r e e s p e c i m e n s a t P u ' u a n a h u l u i n March 1888 f o r t h e o n l y r e c o r d o f 'A l a l z i n t h e Pu 'uwa ' awa ' a - H u a l z l a i a r e a d u r i n g t h e 1887 t o 1909 p e r i o d ( 4 1 ) .

A number o f o b s e r v a t i o n s and c o l l e c t i o n s e s t a b l i s h e s t h e s p e c i e s a s a common, i f n o t a b u n d a n t , r e s i d e n t o f t h e K a ' a w a l o a ( C a p t a i n Cook) area b e f o r e 1900 . W i l s o n ( W i l s o n & Evans 1 8 9 3 ) c o l l e c t e d a s p e c i m e n i n 1887 o r 1 8 8 8 , c a l l e d i t "numerous" i n ' o h i ' a ( M e t r o s i d e r o s c o l l i n a ) f o r e s t s a f e w miles a b o v e Ka' a w a l o a i n J u n e , and r e p o r t e d a n e s t i n a P a n d a n u s t r e e a t t h e end o f A p r i l ( 2 8 6 , 313 , 3 1 4 ) . H . C . Pa lmer t o o k f i v e s p e c i m e n s f rom "Holo K a l i l i " ( H o l o k a a l e l e ) and f i v e f r o m Ka ' awa loa i n 1 8 9 1 ( 2 8 7 , 2 8 7 a ) . A c c o r d i n g t o Ba ldwin ( l 9 6 9 ) , t h e f i e l d d i a r y o f G . C . Munro, P a l m e r ' s a s s i s t a n t a t t h e time, c o n f i r m s t h e p r e s e n c e o f ' A l a l z a t H o l o k a a l e l e ( O n o u l i 1 - 2 ) , and r e c o r d s t h e c o l l e c t i o n o f 1 0 s p e c i m e n s f rom t h a t a r e a d u r i n g 8 S e p t e m b e r t o 1 0 November 1 8 9 1 ( 2 8 8 , 2 8 9 ) . P e r k i n s ( 1 9 0 3 ) r e p o r t e d t h a t ' A l a l z w e r e "common" a t a b o u t 2500 f e e t e l e v a t i o n i n 1 8 9 2 , p r e s u m a b l y i n Kona, and t h a t t h e y came down t o t h e r o a d a t K a ' a w a l o a i n t h e w i n t e r o f 1894 ( 3 1 , 32 , 290 , 2 9 1 ) .

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A t h i g h e r e l e v a t i o n s , Pa lmer c o l l e c t e d two ' ~ l a l s o n o r n e a r P u l e h u a Ranch some t ime d u r i n g S e p t e m b e r t o November 1 8 9 1 ( 2 9 9 ) . P e r k i n s s e c u r e d a s p e c i m e n a t P u l e h u a Ranch a b o u t a y e a r l a t e r , o n 1 2 A u g u s t 1892 ( 2 9 9 a ) .

The o n l y e a r l y r e c o r d o f 'A la lg s o u t h o f t h e Ka 'awaloa- P u ' u l e h u a a r e a seems t o b e t h a t o f Pa lmer who c o l l e c t e d two s p e c - imens a t Honomalino somet ime f rom Sep tember t o November 1 8 9 1 ( 4 2 3 ) .

W i l s o n , P a l m e r , Munro, and P e r k i n s a l s o t o o k s p e c i m e n s a t u n d e s i g n a t e d l o c a l i t i e s and made g e n e r a l s t a t e m e n t s r e g a r d i n g r e l a t i v e abundance and d i s t r i b u t i o n o f ' ~ l a l z i n Kona. W i l s o n o b t a i n e d two s p e c i m e n s i n March 1 8 8 8 , Munro s e c u r e d o n e , a n d P e r k i n s c o l l e c t e d s i x a t 3000 f e e t e l e v a t i o n , a l l i n u n s p e c i f i e d l o c a l i t i e s b u t p r o b a b l y i n c e n t r a l Kona w h e r e , a c c o r d i n g t o t h e i r d i a r i e s , t h e y s p e n t t h e m o s t t i m e ( 1 7 , 1 8 , 2 0 ) . A . S e a l e t o o k f i v e ' A l a l s somewhere i n n o r t h e r n Kona o n 20 A p r i l 1 8 9 1 ( 2 1 ) .

W i l s o n ( W i l s o n & Evans 1 8 9 3 ) summarized h i s i m p r e s s i o n s o f ' A l a l z d i s t r i b u t i o n and r e l a t i v e abundance f rom h i s mon ths - long t r a v e l s i n Kona i n 1887 and 1888 by c a l l i n g it " f a i r l y common," o c c u r r i n g f rom 1100 t o 6000 f e e t and p r o b a b l y h i g h e r ( 9 , 3 0 ) , and s t a t i n g t h a t n a t i v e H a w a i i a n s r e p o r t e d i t t o f e e d on s h e e p c a r - casses. A c c o r d i n g t o Ba ldwin ( 1 9 6 9 ) , Munro c o n c l u d e d t h a t ' A l a l z r a n g e d f rom 1000 t o 8000 f e e t e l e v a t i o n i n Kona, f i n d i n g them " p r e t t y f a r down" on 1 7 O c t o b e r 1 8 9 1 ( 1 9 ) . Henshaw ( 1 9 0 2 ) c a l l e d ' A l a l s "numerous" and " s i n g u l a r l y l o c a l ' ' i n Kona f o r e s t s (11).

The r e l a t i v e a b u n d a n c e and d i s t r i b u t i o n o f t h e s e b i r d s i n Kona was p a r t i c u l a r l y commented upon by P e r k i n s ( 1 8 9 3 , 1 9 0 3 ) who s a i d t h a t ' ~ l a l z o c c u r r e d i n " l a r g e numbers" ( 2 6 ) , w e r e " l o c a l l y a b u n d a n t " ( l o ) , and " b e l o n g e d c h i e f l y t o t h e l o w e r f o r e s t s " f rom a b o u t 1700 t o o v e r 3000 f e e t e l e v a t i o n , b u t moved up a s h i g h a s 4000 f e e t i n t h e i n t e r v a l b e t w e e n f l o w e r i n g o f ' i e ' i e ( F r e y - c i n e t i a a r b o r e a ) ( 2 5 , 2 6 ) . P e r k i n s ( 1 9 0 3 ) r e c o r d e d them as b e i n g " e x t r e m e l y numerous" i n t h e we t b e l t o f Kona d u r i n g h i s v i s i t s i n 1 8 9 2 , 1 8 9 4 , and 1 8 9 5 , b u t f ound them less a b u n d a n t upon h i s r e t u r n i n 1896 ( 3 1 , 3 2 ) . why t h e r a n g e o f ' A l a l z was r e s t r i c t e d t o t h e a d j o i n i n g d i s t r i c t s o f Kona and Ka 'E was a n u n s o l v e d en igma t o P e r k i n s ( 1 2 ) .

K a ' c D i s t r i c t (1887-1909)

A 1 t h o u g h P e r k i n s ( 1 9 0 3 ) s t a t e d t h a t ' A l a l Z we re a b u n d a n t l o c a l l y i n t h e f o r e s t s o f Ka'c, h e d i d n o t m e n t i o n any l o c a l i t i e s i n p a r t i c u l a r ( 1 0 ) . H. W . Henshaw, o n t h e o t h e r h a n d , c o l l e c t e d a number o f s p e c i m e n s i n K a ' c o b t a i n i n g t h r e e i n t h e v i c i n i t y o f NZ 'Zlehu o n 14 and 1 5 December 1 9 0 1 ( 4 8 4 ) ; e i g h t ' ( s e v e n i n o n e d a y ) a t ~ a p z p a l a on 4 and 1 5 December 1 9 0 1 ( 4 5 3 ) ; f i v e a t ~ a ' u H a l f y a y House on 25 O c t o b e r and 25 November 1 8 9 9 ( 4 5 2 ) ; and s e v e n a t ' ~ i n a p z f rom 26 F e b r u a r y t o 3 March 1902 ( 4 5 4 ) . M . W a l t o n c o l l e c t e d a few ' ~ l a l s and o b s e r v e d them i n f l o c k s o f 1 0 t o 1 5 d u r i n g t h i s same p e r i o d , e n c o u n t e r i n g a b o u t o n e s u c h g r o u p per d a y a f i e l d i n t h e v i c i n i t y o f P Z h a l a ( 4 7 6 ) .

Page 9: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

H a w a i i V o l c a n o e s N a t i o n a l P a r k (1887-1909)

N o r t h o f P Z h a l a , Henshaw ( 1 9 0 2 ) o b s e r v e d ' ~ l a l z r a n g i n g i n t o t h e s p a r s e woods o n t h e l a v a a l o n g t h e Ka 'E r o a d be low t h e V o l c a n o House ( 4 8 9 ) , w i t h i n w h a t i s now H a w a i i V o l c a n o e s N a t i o n a l P a r k . 0. Sh ipman t o l d Henshaw ( 1 9 0 2 ) t h a t a few p a i r s used t o b r e e d i n t h e koa ( A c a c i a a) f o r e s t some 2 miles west of t h e V o l c a n o House , p e r h a p s n e a r ~ i p u k a p u a u l u ( B i r d P a r k ) ( 4 9 0 ) . L a t e r , D . P a r i s t o l d P. H . Ba ldwin t h a t t h i s s p e c i e s l i v e d and n e s t e d i n t h e ~T~ukapuaulu-~rpukakulalio a r e a p r i o r t o t h e e a r l y 1 9 0 0 ' s ( 4 9 1 ) .

' A l a l = o f t h e 1 8 9 0 ' s we re n o t r e c o r d e d n o r t h o r e a s t o f ~ T l a u e a C r a t e r . Henshaw ( 1 9 0 2 ) r e p o r t e d t h a t t h e y d i d n o t r a n g e f r o m ~ a ' 3 i n t o t h e a d j o i n i n g ' E l a ' a f o r e s t s o r i n d e e d anywhere t o t h e n o r t h o r e a s t ( 5 0 5 , 506 , 5 1 9 ) , a n o b s e r v a t i o n r e p e a t e d l a t e r by Bryan ( 1 9 1 5 ) ( 1 3 ) . H. C . Shipman, a r e s i d e n t o f ' G l a ' a s i n c e b e f o r e 1 9 0 0 , r e c a l l e d t h a t h e n e v e r saw ' A l a l z anywhere i n t h e Hawa i i an d i s t r i c t o f Puna ( 5 0 7 ) .

O b s e r v a t i o n s b y L i f e - l o n q R e s i d e n t s and O t h e r s (1910 -1939) :

Kona D i s t r i c t

R e c o l l e c t i o n s o f l o n g - t i m e r a n c h e r s i n n o r t h Kona a r e i n s u b s t a n t i a l a g r e e m e n t r e g a r d i n g t h e r e l a t i v e a b u n d a n c e o f ' A l a l z on H u a l z l a i d u r i n g t h e 1 9 2 0 ' s and 1 9 3 0 ' s . On t h e f o r e s t e d n o r t h s l o p e s o f Pu ' uwa ' awa ' a Ranch, W. P a r i s b e l i e v e d t h a t s e v e r a l hun- d r e d we re p r e s e n t d u r i n g t h e 1 9 3 0 ' s ( 7 2 ) . R. Hind e s t i m a t e d a t o t a l p o p u l a t i o n o f a b o u t 200 on H u a l z l a i f rom 1 9 3 5 t o 1940 ( 3 6 ) , s e e i n g and h e a r i n g them e v e r y d a y a t Pu ' uwa' awa' a , Pu ' u h i n a h i n a , and K i l e o a s h e r o d e f o r c a t t l e ( 7 3 ) . Munro ( 1 9 4 4 , 1 9 4 6 ) r e - p o r t e d 'A la lz p r e s e n t on Pu 'uwa ' awa ' a Ranch f rom 1 9 3 5 t o 1 9 3 7 , t h o u g h i n g r e a t l y r e d u c e d numbers , p r e s u m a b l y i n r e l a t i o n t o t h o s e h e saw o n p r e v i o u s v i s i t s ( 7 4 , 7 8 ) . G r e g o r y ( 1 9 2 4 ) h e a r d them b u t d i d n o t s e e a n y i n a v i s i t t o t h e r a n c h i n 1 9 2 3 ( 7 1 ) .

On t h e s o u t h s l o p e s o f H u a l Z l a i , l i f e - l o n g r e s i d e n t R. G r e e n w e l l r e c a l l e d t h e p r e s e n c e o f 'A la l z f l o c k s o f f rom e i g h t t o 1 2 i n d i v i d u a l s , e s t i m a t i n g a t o t a l p o p u l a t i o n o f " h u n d r e d s " i n t h e 1 9 2 0 ' ~ ~ a l l a b o v e 2000 f e e t e l e v a t i o n on l a n d s p a s t u r e d by h i s f a t h e r i n and a d j a c e n t t o Honokzhau 1 and 2 , K e a l a k e h e Mauka T r a c t , H o n u a ' u l a T r a c t 2 , Keahuo-LG, H o n u a ' u l a F o r e s t R e s e r v e , Ka ' i ipElehu F o r e s t R e s e r v e , and H o n u a ' u l a T r a c t 3 ( 3 4 ) . H e r e - c a l l e d t h a t h e n e v e r saw many ' A l a l Z f a r t h e r t o t h e s o u t h , i n H E l u a l o a 1 and 2 , e i t h e r i n t h e 1 9 2 0 ' s o r l a t e r ( 2 6 3 ) .

W . P a r i s , a l i f e - l o n g r e s i d e n t i n c e n t r a l Kona, remembered t h a t 'A la lz were numerous above K a i n a l i u b e f o r e t h e 1 9 2 0 ' ~ ~ t h o u g h G . H e n r i q u e s , r a n c h fo r eman i n t h i s g e n e r a l a r e a f rom 1 9 2 7 t o 1 9 6 0 1 s , d i d n o t r e c a l l t h a t t h e y r a n g e d be low 3000 f e e t e l e v a - t i o n ( 2 9 2 , 2 9 6 ) . F a r t h e r u p s l o p e , a r o u n d 5000 f e e t e l e v a t i o n , H . Baybrook t o l d Ba ldwin ( 1 9 6 9 ) t h a t h e d i d n o t see a n y ' A l a l Z o n P u l e h u a Ranch d u r i n g t h e 1922 t o 1939 p e r i o d ( 3 O 2 ) , n o r had S. G r e e n w e l l n o t e d a n y a t P a p a l o a s i n c e 1928 ( 3 0 4 ) .

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I n s o u t h e r n Kona, W . ~ a a l i l i o , a l o g g e r and s a w m i l l o p e r - a t o r , r e c a l l e d t h e ' A l a l Z a s a v e r y a b u n d a n t b i r d and e s t i m a t e d t h a t t h e r e we re "more t h a n a h u n d r e d n i n ' x l i k a Homes t eads when h e b e g a n work o n Yee Hop Ranch i n 1927 ( 3 8 7 ) . H e m e n t i o n e d t h a t d u r i n g t h o s e y e a r s t h e s p e c i e s r a n g e d a l l t h e way up f rom ' z l i k a Homes t eads t o Ka 'ohe Ranch ( 5 3 0 0 f t e l e v . i n K a ' o h e 4 ) and down t o Government Road ( B e l t Highway, a b o u t 1500 f t e l e v . ) ( 3 5 ) .

S . Kumakahi, a r e s i d e n t o f Honomalino s i n c e 1 9 2 2 , s a i d h e was accus tomed t o s e e i n g " s e v e r a l h u n d r e d n e v e r y y e a r f rom a b o u t 1 9 3 5 t o 1 9 3 8 when t h e s e b i r d s came down d u r i n g Kona s t o r m s , f rom a b o u t 3000 t o 4000 f e e t e l e v a t i o n i n t h e m o u n t a i n s t o a b o u t 1600 f e e t e l e v a t i o n a r o u n d h i s home ( 4 2 4 ) . Somewhat f a r t h e r s o u t h a t ManukZ, n e a r t h e Kona-Ka'E b o u n d a r y , l o n g - t i m e r e s i d e n t o f Wai- ' Z h i n u , W. Meinecke , r e c a l l e d t h a t 'Alalz w e r e a b u n d a n t i n t h e d a y s b e f o r e a u t o m o b i l e t r a v e l was common, f rom 1 9 0 9 t o a b o u t 1 9 3 1 ( 4 4 3 ) .

Ka 'E D i s t r i c t (1910-1939)

H . C . Shipman remembered t h a t h e saw " l o t s " o f 'Ala lz a b o u t 1 9 1 1 w h i l e camping a t a b o u t 5000 f e e t e l e v a t i o n i n Kahuku ( 4 6 3 ) . W . Meinecke a l s o r e c a l l e d t h e i r abundance f rom 1 9 0 9 t o a b o u t 1 9 3 1 i n t h e uppe r r e a c h e s o f Kahuku Ranch, above w h a t is now t h e B e l t Highway ( 4 6 2 , 4 7 7 ) .

F a r t h e r e a s t , i n Sep t ember 1 9 3 6 , Ba ldwin ( 1 9 6 9 ) n o t e d t h a t Munro saw o n e and h e a r d o t h e r s c a l l i n g w h i l e on t h e K i l o l a k a a ( K i o l a k a ' a ) - K e a ' Z T r a i l , n o r t h w e s t o f W a i ' z h i n u , t o Moun ta in House a b o v e Honu 'apo ( 4 8 5 ) . Munro ( 1 9 4 4 ) l a t e r c o n c l u d e d t h a t t h i s s p e c i e s was g r e a t l y r e d u c e d i n ~ a ' t f rom l e v e l s f o u n d o n e a r l i e r v i s i t s ( 4 4 9 ) . I . Yonemi t su and J . K . Kauwe, S r . , r e - c a l l e d t h a t 'A l a l s were common o r a b u n d a n t i n t h e f o r e s t a b o v e N z ' z l e h u i n t h e e a r l y d a y s , Kauwe t h o u g h t a b o u t 1920 ( 4 8 7 , 4 8 8 ) .

Hawa i i V o l c a n o e s N a t i o n a l P a r k (1910-1939)

A t t h e n o r t h e r n l i m i t s o f t h e i r r a n g e i n Ka 'E, H . C . Sh ipman s a i d t h a t ' A l a l Z were p r e s e n t a b o u t 1910 j u s t beyond t h e V o l c a n o House (~ipukapuaulu-~ipukakulalio a r e a ? ) ( 4 9 2 ) .

R e p o r t s and E a r l y S u r v e y s (1940 -1966) :

The r e l a t i v e abundance and d i s t r i b u t i o n o f ' A l a l Z f r o m 1 9 4 0 u n t i l 1966 is known f rom f i e l d o b s e r v a t i o n s b y W. R. Donaghho, P. H . B a l d w i n , L. P. R i c h a r d s , and a few o t h e r s . B a l d w i n and t h e s e n i o r a u t h o r a l s o r e c o r d e d what l o n g - t i m e r a n c h e r s r e c a l l e d a b o u t t h e s t a t u s o f 'A la lz i n a r e a s f a m i l i a r t o them.

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Kona D i s t r i c t

On Pu 'uwa ' awa ' a Ranch, R . Hind r e c a l l e d t h a t ' A l a l z w e r e found r e g u l a r l y d u r i n g t h e 1935 t o 1950 p e r i o d f rom r a n c h head- q u a r t e r s ( 2 7 0 0 f t e l e v . ) on t h e s o u t h s i d e o f Pu ' u a n a h u l u down t o 1600 f e e t e l e v a t i o n be low w h a t i s now t h e o l d B e l t Highway ( 4 4 ) , and i n P u ' u a n a h u l u on t h e n o r t h e a s t s i d e o f t h e 1859 l a v a f l o w , t h o u g h i n l e s s e r numbers t h a n u p s l o p e f rom r a n c h h e a d q u a r t e r s ( 4 2 ) I n t h e r a t h e r d r y paddocks l y i n g be tween 3500 and 3000 f e e t e l e v a t i o n west o f P u ' u w a ' a w a ' a , Ba ldwin ( 1 9 6 9 ) found no 'Ala lz d u r i n g h i s 1 6 t o 2 1 November 1944 v i s i t , a l t h o u g h h e d i d r e c o r d t h e i r p r e s e n c e u p s l o p e on ~ u a l z l a i ( 4 5 , 8 5 ) . R i c h a r d s n o t e d t h i s s p e c i e s on h i s 25 A u g u s t 1950 h o r s e b a c k r i d e f rom r a n c h h e a d q u a r t e r s u p s l o p e t o S h a n g r i l a and o n f o o t 0 .25 mile beyond ( 7 5 ) , and saw f i v e o r s i x and h e a r d p o s s i b l y 1 0 on a t r i p a r o u n d t h e west s i d e o f Pu' uwa' a w a ' a t o beyond S h a n g r i l a t h e n e x t d a y ( 7 6 ) . L a t e r , i n Sep t ember and O c t o b e r 1 9 5 0 , R i c h a r d s f o u n d them t o b e " q u i t e p l e n t i f u l , " s e e i n g p e r h a p s e i g h t and h e a r i n g 1 2 i n t h e S h a n g r i l a a r e a d u r i n g a b r i e f 2 .5 hou r v i s i t ( 2 6 9 ) . On 28 S e p t e m b e r , h e o b s e r v e d them f l y i n g back and f o r t h " a l l d a y l o n g " s o u t h o f S h a n g r i l a ( 2 7 1 ) .

Ba ldwin ( 1 9 5 2 ) r e c o r d e d s e v e n a t P u ' u w a ' a w a ' a e a r l y i n 1952 ( 7 9 ) , and t h r e e a t r a n c h h e a d q u a r t e r s i n mid-August 1 9 5 8 ( 4 8 ) . I n 1 9 5 8 , a r a n c h e r , W . P a r i s , t o l d Eas tman and Eas tman ( 1 9 5 8 ) t h a t h e had n e v e r s e e n more t h a n 1 2 ( ? a t o n e t i m e ) on Pu 'u - w a ' a w a ' a Ranch ( 8 0 ) . I n J u n e 1 9 6 0 , E isenmann ( 1 9 6 1 ) and Dunmire ( 1 9 6 0 ) r e c o r d e d s e e i n g a t l e a s t f o u r and h e a r i n g o t h e r s o n t h e r a n c h ( 5 1 , 8 1 ) . W . Ward o b s e r v e d f i v e o r s i x n e a r r a n c h head- q u a r t e r s o n 1 2 Augus t 1 9 6 1 ( 5 2 ) , b u t King ( 1 9 6 4 ) f o u n d none a f t e r a b r i e f s e a r c h a b o v e h e a d q u a r t e r s on 1 9 A p r i l 1964 ( 5 3 , 8 2 ) . Tomich ( 1 9 7 1 ) n o t e d t h a t C . K e p l e r saw s e v e n o n h i s 20 December 1 9 6 5 v i s i t t o r a n c h h e a d q u a r t e r s , o n e o f which was b e g g i n g f o r f o o d ( 5 4 ) , and r e p o r t e d t h a t t h e r a n c h g a r d e n e r was commonly a w a r e o f t h e i r p r e s e n c e i n t h e g r o v e o f t r e e s a b o v e t h e r a n c h - h o u s e ( 5 5 ) . V. Lewin r e p o r t e d t h a t h e saw two a t r a n c h head- q u a r t e r s o n 5 J u l y , 1 0 O c t o b e r , and 30 November and h e a r d a n u n d e t e r m i n e d number on 11 O c t o b e r 1 9 6 6 ( 5 6 - 5 9 ) .

' A l a l z were n o t e d f rom 1940 t o 1 9 6 6 on P u ' u w a ' a w a ' a Ranch more commonly u p s l o p e t h a n downs lope f rom h e a d q u a r t e r s . B a l d w i n ( 1 9 6 9 ) h e a r d them a t P o l o h o h o ' o and w e s t o f S h a n g r i l a on 11 A p r i l 1 9 4 1 , and d u r i n g a l o n g e r s t a y f rom 1 6 t o 21 November 1944 h e made many s i g h t i n g s i n t h e same a rea , f i n d i n g s i x t o e i g h t s l i g h t l y w e s t o f s o u t h f rom P o ' o h o h o ' o ( 2 6 6 - 2 6 8 ) . I n May 1 9 4 0 , Donaghho ( 1 9 4 0 ) n o t e d e i g h t s o u t h o f P u ' u w a ' a w a ' a Ranch i n t h e u p p e r f o r e s t s ( A c a c i a m), and saw two more u n u s u a l l y h i g h up i n t h e mamane ( S o p h o r a c h r y s o p h y l l a ) b e l t ( 2 7 , 2 8 ) . On t h e west s l o p e o f H u a l Z l a i , two 'A la l z were o b s e r v e d on 9 F e b r u a r y 1966 s o u t h o f Pu ' uwa ' awa ' a Ranch and f o u r o t h e r s were s e e n a b o u t 6000 f e e t e l e v a t i o n a l o n g t h e j e e p t r a i l n e a r two d e e p p i t c r a t e r s ( 8 7 , 8 8 ) .

Page 12: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

' A l a l z o f t h e 1940 t o 1966 p e r i o d a l o n g t h e n o r t h s l o p e o f H u a l Z l a i were found t o r a n g e a l l t h e way t o t h e summit ( 8 2 7 5 f t e l e v . ) . On h i s 16 t o 2 1 November 1944 v i s i t , Ba ldwin ( 1 9 6 9 ) saw two f l y up and o v e r a h i g h v o l c a n i c c o n e a d j a c e n t t o t h e summit c r a t e r o f Ha inoa ( 2 8 4 ) . R i c h a r d s n o t e d t h e i r p r e s e n c e on h i s h i k e f rom S h a n g r i l a t o t h e summit o f ~ u a l z l a i on 27 S e p t e m b e r 1 9 5 0 , b u t d i d n o t r e c o r d t h e i r e l e v a t i o n ( 2 7 0 ) .

On t h e l ower west and s o u t h s l o p e s o f H u a l z l a i , on H u ' e h u ' e Ranch , T. V r e d e n b e r g r e c a l l e d t h a t t h e r e we re " p l e n t y " o f ' A l a l Z i n t h e e a r l y 1 9 4 0 ' ~ ~ p e r h a p s 100 t o 200 ( 1 7 9 , 1 8 2 ) , b u t t h a t t h e r e w e r e v e r y few (10 -12 ) when h e l e f t t h e Ranch i n 1958 ( 1 8 3 ) . Ba ldwin ( 1 9 6 9 ) c o l l e c t e d a s p e c i m e n , h e a r d a b o u t 1 2 , and saw some f l y by s i n g l y and i n g r o u p s o f u p t o f o u r n e a r c i n d e r c o n e s a t 3500 t o 4000 f e e t e l e v a t i o n i n a 6- t o 8 - s q u a r e mi le a r e a h e s u r - veyed above Hu' e h u ' e Ranch h e a d q u a r t e r s i n S e p t e m b e r 1949 ( 8 6 , 1 8 0 , 1 8 1 ) . R. W i l l i a m s r e c a l l e d s e e i n g f rom two t o s i x a r o u n d Hu' e h u ' e Ranch h e a d q u a r t e r s d u r i n g 1 9 6 2 t o 1964 when t h e y h a b i t - u a l l y came down a r o u n d 2000 f e e t e l e v a t i o n d u r i n g w i n t e r s t o r m s ( 1 8 4 ) .

I n 1 9 4 2 , Ba ldwin ( 1 9 6 9 ) d i s c u s s e d t h e s t a t u s o f ' A l a l Z o n t h e s o u t h e r n s l o p e s o f H u a l z l a i w i t h l i f e - l o n g r a n c h e r F. Green - w e l l . G r e e n w e l l i n d i c a t e d t h e 2500 f o o t c o n t o u r on B a l d w i n ' s map a s t h e l ower l i m i t o f no rma l r a n g e and 3500 t o 4000 f e e t a s t h e u p p e r e l e v a t i o n a l l i m i t , w i t h b i r d s r a n g i n g f rom Ka loko t o some- w h a t s o u t h o f K a h a l u ' u F o r e s t R e s e r v e ( 3 7 - 3 9 ) . G r e e n w e l l a d d i - t i o n a l l y i n d i c a t e d t h a t t h e species was r e s t r i c t e d t o a n a r e a l y i n g be tween 2000 and 5500 f e e t e l e v a t i o n f rom H o n u a ' u l a F o r e s t R e s e r v e n o r t h w a r d a r o u n d t h e s o u t h e r n and w e s t e r n f l a n k o f H u a l z l a i t o K a ' u p c l e h u ( 2 3 7 ) . Donaghho ( 1 9 4 0 ) n o t e d s e v e r a l p a i r s a t 4000 f e e t e l e v a t i o n i n . t h e H s l u a l o a F o r e s t R e s e r v e a n d , a c c o r d i n g t o Ba ldwin ( 1 9 6 9 ) , a Mr. S h i f f e r t s a w them i n unspec - i f i e d numbers a t ~ u ' u l a ' a l Z ' a u a b o v e t h e R e s e r v e a t 6500 f e e t e l e v a t i o n ( 2 3 5 , 2 3 6 ) . E . Pung r e c a l l e d t h a t 'Ala lz were a b u n d a n t d u r i n g t h e summers o f 1949 t o 1 9 5 1 a r o u n d 6000 f e e t e l e v a t i o n on t h e s o u t h w e s t e r n f l a n k o f H u a l z l a i ( 2 3 8 ) . H . F e r g e r s t r o m r e - c o r d e d " l o t s " i n h i s F o r e s t r y c a b i n l o g e n t r y d u r i n g a s t a y f rom 2 t o 4 March 1 9 5 2 , and A. J o h a n s e n , J r . , r e p o r t e d s e e i n g them when h u n t i n g be low t h e F o r e s t r y c a b i n i n t h e e a r l y 1 9 6 0 ' s ( 2 3 8 - 2 4 0 ) .

I n t h e Wa i ' aha S p r i n g s F o r e s t R e s e r v e , S . Kawahara r e c a l l e d t h a t h e saw ' A l a l z a l m o s t e v e r y weekend p r i o r t o 1 9 4 8 , s o m e t i m e s a s many as 30 o r 4 0 , f rom 2000 t o 3000 f e e t e l e v a t i o n ( 2 6 4 ) . T . V r e d e n b e r g i n d i c a t e d t o B a l d w i n ( 1 9 6 9 ) i n 1949 t h a t h i s c h a n c e s o f s e e i n g b i r d s i n t h e W a i ' a h a S p r i n g s a r e a we re n o t t o o good and t h a t " o n e m i g h t h a v e t o g o a l l t h e way up" ( ? t o Honua- ' u l a F o r e s t R e s e r v e ) ( 2 6 5 ) . A f e w mi les t o t h e s o u t h o f W a i ' a h a S p r i n g s , i n Kaumalumalu, E . Pung r e c a l l e d s e e i n g s c a t t e r e d f l o c k s o f ' ~ l a l z o n u n r e c o r d e d d a t e s f r o m 1 9 4 9 t o 1959 ( 2 9 5 ) .

I n l ower c e n t r a l Kona, A . G r e e n w e l l r e c a l l e d t h a t u p t o a b o u t 1955 ' ~ l a l s f r e q u e n t l y came down f rom h i g h e r f o r e s t s d u r i n g w i n t e r mon ths t o a b o u t 1500 f e e t e l e v a t i o n ( 2 9 3 ) . S i m i l a r l y , W . P a r i s d i d n o t remember h e a r i n g a n y i n L e h u ' u l a Mauka n e a r Keauhou 1 and 2 s i n c e 1955 ( 2 9 4 ) .

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H i g h e r up , f rom 4500 t o 6500 f e e t e l e v a t i o n , Ba ldwin ( 1 9 6 9 ) f a i l e d t o f i n d ' A l a l Z i n a 1944 t h r e e - d a y 40 -mi l e h o r s e b a c k t r i p c o v e r i n g v a r i o u s p a r t s o f P u l e h u a Ranch i n Keauhou 2 ( 3 0 0 , 3 0 1 ) . B a l d w i n ' s g u i d e , N i c h o l a s , and F. G r e e n w e l l c o n f i r m e d t h a t t h e y had no knowledge of ' A l a l z on P u l e h u a Ranch a r e a ( 3 0 0 ) , t h o u g h H . Baybrook r e c a l l e d s e e i n g two some t ime b e t w e e n 1922 and 1942 i n t h i s g e n e r a l a r e a , a c c o r d i n g t o Ba ldwin ( 1 9 6 9 ) ( 3 0 2 ) . I n 1 9 4 4 , F. G r e e n w e l l t o l d Ba ldwin ( 1 9 6 9 ) t h a t t h e s p e c i e s was p r e s e n t i n t h e Hcnaunau F o r e s t R e s e r v e , a few miles s o u t h o f Keauhou 1 and 2 ( 3 1 5 ) . I n h i s v i s i t t o t h e R e s e r v e f rom 29 F e b r u a r y t o 4 March 1 9 4 4 , Ba ldwin ( 1 9 6 9 ) r e p o r t e d s e e i n g o r h e a r i n g t h r e e i n t h e s o u t h e a s t s e c t i o n ( 3 1 6 , 3 1 7 ) . L. P. R i c h a r d s o b s e r v e d a f a m i l y o f t h r e e ' ~ l a l z on a h i k e f rom Hzpu 'u Camp t o G a s p a r s D a i r y ( a b a n d o n e d ) o n 22November 1950 ( 3 1 8 ) . N . C a r l s o n h e a r d them a l o n g t h e u p s l o p e e d g e o f t h e Hcnaunau F o r e s t R e s e r v e a b o u t 1 0 December 1966 ( 3 1 9 ) .

Ba ldwin ( 1 9 6 9 ) t r a v e r s e d much o p e n p a s t u r e and ' E h i ' a f o r e s t o n h o r s e b a c k a t c o m p a r a t i v e l y h i g h e l e v a t i o n s i n s o u t h c e n t r a l Kona D i s t r i c t d u r i n g 29 F e b r u a r y t o 4 March 1944 and r e p o r t e d s e e i n g o n e n e a r HZpu'u Camp, h e a r i n g o t h e r s i n a few l o c a l i t i e s s o u t h o f K e a n a p a ' a k a i , i n c l u d i n g KaungnF and Lumiawi , and f i n d - i n g o n e p r o b a b l e n e s t n e a r Kamakawai W a t e r h o l e ( 3 9 a , 3 4 7 ) . On 20 November 1 9 5 0 , R i c h a r d s n o t e d t h e p r e s e n c e o f ' A l a l z o n a 5 . 5 hou r h i k e c o v e r i n g a r o u t e s imi la r t o B a l d w i n ' s , b u t d i d n o t r e c o r d numbers e n c o u n t e r e d ( 3 9 c ) . V. Lewin r e p o r t e d t h a t G . K n i g h t h e a r d ' A l a l z i n t h e KaunFnF a r e a 8 miles eas t o f Kealia ( v i l l a g e ) o n 24 March 1966 ( 3 5 1 ) .

I n 1 9 4 4 , S h i f f e r t r e p o r t e d t o B a l d w i n ( 1 9 6 9 ) t h a t ' A l a l Z c o n t i n u e d t o b e common i n some o f t h e m i d d l e and uppe r e l e v a t i o n f o r e s t s o f s o u t h e r n Kona ( 3 9 b ) and l a t e r o b s e r v a t i o n s p roved t h e r e l i a b i l i t y o f S h i f f e r t ' s r e p o r t . W . Haal i l i o o b s e r v e d t h a t ' A l a l z o n t h e Yee Hop Ranch, ' x l i k a Homes t eads , had become n o t i c e a b l y f e w e r by 1 9 5 5 t h a n t h e h u n d r e d s s e e n i n t h e 1 9 3 0 ' s and 1 9 4 0 ' s ( 3 8 8 ) . I n PZpZ 1, a d j a c e n t t o ' x l i k a Homes teads , G . S c h a t t a u e r r e c a l l e d s e e i n g " p l e n t y , " p e r h a p s 1 5 t o 20 ( s i x b e i n g t h e m o s t s e e n p e r c h e d i n o n e t r e e ) , i n O c t o b e r 1 9 6 0 , b u t c o u l d f i n d o n l y two ( o n e o f wh ich l o o k e d s i c k l y ) when h e s e a r c h e d f o r them i n 1966 ( 3 8 9 , 3 9 0 ) .

I n t h e f o r e s t s o f Ho15pGloa and Honomal ino a d j o i n i n g ' x l i k a Homes t eads t o t h e s o u t h , R. Hind e s t i m a t e d t h a t a p o p u l a t i o n o f f rom 30 t o 40 'Alala were p r e s e n t b e t w e e n 2000 and 4000 f e e t e l e v a t i o n f rom 1950 t o 1957 ( 4 2 5 ) . However, f r o m w h a t Hind c o u l d r e c a l l , ' ~ l a l z were n o t r e s i d e n t i n l o w e r f o r e s t s (1000-1800 f t e l e v . ) c l e a r e d f o r Honomalino a i r s t r i p , p a s t u r e , o r macadamia n u t o r c h a r d s ( 4 2 6 ) . Hind knew o f o n e f l e d g l i n g t h a t was t a k e n f rom a n e s t a t 4200 f e e t e l e v a t i o n n e a r Honomal ino Camp, H o l ~ p ~ l o a r i n 1954 ( 4 2 7 ) .

S t i l l f u r t h e r s o u t h , n e a r t h e b o u n d a r y o f Kona-Ka'Z d i s - t r i c t s , L. W . B ryan r e c a l l e d t h a t p e r h a p s 1 2 w e r e p r e s e n t s e a s o n - a l l y i n t h e 1 9 4 0 ' s a t 1760 f e e t e l e v a t i o n a r o u n d t h e ManukZ (now S t a t e P a r k ) r a n g e r c a b i n ( 4 4 4 ) . G . S c h a t t a u e r remembered s e e i n g ' A l a l z a f ew times d u r i n g 1952 t o 1 9 5 8 a l o n g t h e h ighway a b o u t a

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mile s o u t h o f ~ a n u k s S t a t e P a r k ( 4 4 4 a ) . However, A . J o h a n s e n , J r . , P a r k c a r e t a k e r , r e p o r t e d t h a t h e had n e v e r s e e n a n y i n t h a t a r e a f r o m 1960 t o 1 9 6 9 ( 4 4 6 ) .

B a l d w i n ( 1 9 6 9 ) s t a t e d t h a t 0. B r e i t h a u p t r e p o r t e d ' A l a l z t o b e s t i l l common and tame i n f l o c k s o f u p t o s i x a t u p p e r e l e v a - t i o n s i n ~ a n u k z and a r o u n d 5300 f e e t e l e v a t i o n n e a r t h e Kapu 'a - Ho' 5 p C l o a b o u n d a r y f r o m a b o u t 1 9 4 9 t o 1 9 5 5 , t h i s c o i n c i d i n g w i t h a s i m i l a r r e c o l l e c t i o n by E . M o l c i l i o ( 4 4 5 , 4 4 7 ) .

Ka'B D i s t r i c t (1940-1966)

D u r i n g 1 9 5 1 t o 1 9 5 8 , E . M o l c i l i o saw many ' A l a l a , u p t o 1 2 i n a f l o c k , a l o n g t h e jeep t r a i l a b o v e P a l i - o - K a ' e o (3400-4000 f t e l e v . ) on Kahuku Ranch ( 4 7 8 ) . F. R i c e d i d n o t remember s e e i n g a n y o n Kahuku Ranch s i n c e a b o u t 1960 ( 4 7 9 ) . However, M o l c i l i o saw two twice i n o n e month a b o u t 1964 n e a r t h e b o u n d a r y o f K i o l a k a ' a - K e a ' Z Homes t eads a d d i t i o n and Ka 'B F o r e s t R e s e r v e ( 4 8 0 ) .

Ba ldwin ( 1 9 6 9 ) , l e a r n i n g f r o m 0. B r e i t h a u p t t h a t h e c o u l d s t i l l e x p e c t t o f i n d 'Ala lz i n u p l a n d s o f Ka'li, s p e n t t h r e e d a y s i n a n u n s u c c e s s f u l s e a r c h a l o n g t h e 1 2 m i l e s o f u p p e r Ka 'B F o r e s t R e s e r v e be tween ~ i p u k a ' a k a l a a t 5372 f e e t e l e v a t i o n and a p o i n t 4 miles n o r t h e a s t o f P u n a l u ' u Kahawai a t 7000 f e e t e l e v a t i o n ( 4 6 4 , 4 6 5 ) . T. Sumner r e c a l l e d s e e i n g t h e s e b i r d s i n Kahuku a t a b o u t 6200 f e e t e l e v a t i o n a t P u ' u K i n i k i n i a b o u t 1 m i l e s o u t h o f t h e S t a t e F o r e s t r y c a b i n , and h e a r i n g some a t P Z ' a u ' a u 2 n e a r a w a t e r h o l e 4 miles n o r t h e a s t o f P u n a l u ' u Kahawai d u r i n g h i s 1949 t o 1 9 5 1 p e r i o d o f employment a t K a p z p a l a Ranch ( 4 5 0 , 4 5 1 ) . Sumner r e p o r t e d t h a t d u r i n g t h e 1950 Mauna Loa e r u p t i o n , t h e b u r n i n g f o r e s t a b o u t 1 m i l e s o u t h o f t h e S t a t e F o r e s t r y c a b i n a t P u n a l u ' u Kahawai was " f u l l o f 'Ala ls" ( 4 6 8 ) .

Ba ldwin ( 1 9 6 9 ) h e a r d i n 1940 t h a t t h e s p e c i e s was p r e s e n t i n l o w e r e l e v a t i o n f o r e s t s a b o v e N Z ' Z l e h u , b u t was u n a b l e t o c o n f i r m t h e r e p o r t ( 4 8 6 ) ; howeve r , I . Y o n e m i t s u , r e s i d e n t o f t h e NZ 'Zlehu a r e a s i n c e 1924 , r e c a l l e d them b e i n g f o r m e r l y a b u n d a n t i n f o r e s t s o f NZ 'Zlehu P l a n t a t i o n ( 4 8 7 ) .

F a r t h e r n o r t h , i n u p l a n d p a s t u r e s and f o r e s t s b o r d e r i n g t h e Ka'B F o r e s t R e s e r v e , T . Sumner remembered s e e i n g ' A l a l Z a t many d i f f e r e n t l o c a t i o n s o n K a p z p a l a Ranch d u r i n g 1 9 4 9 t o 1951 : a t 3800 f e e t e l e v a t i o n n e a r a s p r i n g i n W a i a k a l o a G u l c h , K a p Z p a l a ; a t a b o u t 4000 f e e t e l e v a t i o n r o u g h l y 1 m i l e w e s t o f s o u t h w e s t o f ' x i n a p s ( m o u n t a i n h o u s e ) ; a t a b o u t 4700 f e e t e l e v a t i o n a b o u t 4 miles w e s t - s o u t h w e s t and 3 miles w e s t o f 'Z inapG; a t 5950 f e e t e l e v a t i o n i n A n i p e a h i a b o u t 4 . 5 miles west o f 'A inapb ; and i n a n a i o (Myoporum s a n d w i c e n s e ) f o r e s t a t 5600 t o 6200 f e e t e l e v a t i o n 4 miles w e s t - n o r t h w e s t o f ' X i n a p 5 ( 4 5 5 - 4 6 0 ) .

I n t h e K a i h o l e n a a r e a , A. Yamamoto r e c a l l e d s e e i n g o n e i n a p a s t u r e i n t h e l a t e 1 9 5 0 ' s ( 4 6 9 ) . W . P a i v a saw i n d i v i d u a l s , s o m e t i m e s s e v e r a l p e r d a y , i n t h e f o r e s t be low K a i h o l e n a i n t h e l a t e 1 9 5 0 g s , t h o u g h n o t i n t h e e a r l y 1 9 6 0 ' s ( 4 7 0 , 4 7 1 ) .

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R . Bachman h e a r d them d u r i n g a s e v e r a l hour h i k e a b o v e Moun ta in House o n 30 J a n u a r y 1966 ( 4 7 2 ) , and r e p o r t e d f r e q u e n t s i g h t i n g s by o t h e r s , s i x s e e n o n c e i n t h e v i c i n i t y o f Moun ta in House and K a i h o l e n a i n Ka'E F o r e s t R e s e r v e ( 4 7 3 ) . V. Hansen r e p o r t e d t h e i r p r e s e n c e n e a r K a i h o l e n a on 16 December 1966 ( 4 7 4 ) .

Hawai i V o l c a n o e s N a t i o n a l P a r k (1940-1966)

T h e r e a r e t h r e e vague r e c o r d s o f lala la s e e n o r h e a r d i n t h e P a r k i n 1940 and 1 9 4 1 , p e r h a p s a l l r e f e r r i n g t o t h e " l a r g e b l a c k sguawk ing b i r d " s e e n by C. Blacow and o t h e r s i n a n d / o r n e a r K i l a u e a C r a t e r ( 4 9 3 - 4 9 5 ) .

Con tempora ry O b s e r v a t i o n s ( 1 9 6 7 - 1 9 7 8 ) :

R e l a t i v e abundance and d i s t r i b u t i o n o f 'A la la were s t u d i e d by t h e s e n i o r a u t h o r f o r t h e U . S . F i s h and W i l d l i f e S e r v i c e f rom 1967 t o 1 9 7 3 . P r i n c i p a l s u r v e y g o a l s w e r e t o l e a r n f rom o l d - t i m e r e s i d e n t s wha t was p o s s i b l e o f t h e i r f o r m e r r a n g e , l o c a t e contem- p o r a r y p o p u l a t i o n s , a n d , w i t h a s 1 i t t l e d i s t u r b a n c e t o n e s t i n g p a i r s a s p o s s i b l e , m o n i t o r p r o d u c t i o n and s u r v i v a l o f young f rom a n y n e s t s t h a t c o u l d b e f o u n d . S i g h t i n g s f rom v o l u n t e e r r e p o r t e r s we re a l s o s o l i c i t e d d u r i n g t h i s p e r i o d .

I n 1974 t h e j u n i o r a u t h o r c a r r i e d o u t f i e l d s t u d i e s , i n - c l u d i n g b a n d i n g o f f l e d g l i n g s , f o r Hawaii S t a t e D i v i s i o n o f F i s h and Game ( f i n a n c e d by World W i l d l i f e Fund) and i n 1975 c o n t i n u e d t h e work f o r t h e Hawai i N a t u r a l H i s t o r y A s s o c i a t i o n . A c t i v i t i e s i n 1 9 7 6 , f i n a n c e d by a g r a n t f r o m World W i l d l i f e Fund and U . S . F o r e s t S e r v i c e c o n t r a c t , were l i m i t e d p r i m a r i l y t o m o n i t o r i n g n e s t s . Band ing i n 1976 was c u r t a i l e d b e c a u s e p e r m i s s i o n f rom t h e U . S . F i s h and W i l d l i f e S e r v i c e was n o t g r a n t e d . J. G i f f i n con- d u c t e d s t u d i e s f o r H a w a i i S t a t e D i v i s i o n o f F i s h and G a m e i n 1977 and 1978 .

The r e c o r d s and a n a l y s e s wh ich f o l l o w t h u s r e p r e s e n t r e s u l t s o f 1 0 b r e e d i n g s e a s o n s work b y t h r e e b i o l o g i s t s f o r a c o n s o r t i u m o f f u n d i n g a g e n c i e s , a s w e l l as o b s e r v a t i o n s v o l u n t e e r e d by o t h e r s . I n f o r m a t i o n o b t a i n e d f rom J . G i f f i n ' s s t u d i e s f o r 1 9 7 7 and 1 9 7 8 , and f rom 1976 t o 1 9 7 8 f o r e s t b i r d s u r v e y s b y U. S . F i s h and W i l d l i f e S e r v i c e , h a s n o t b e e n f o r m a l l y p u b l i s h e d and s h o u l d b e r e g a r d e d a s p r e l i m i n a r y .

De t a i l s o f n e s t m o n i t o r i n g and s u r v i v a l o f f l e d g l i n g s a r e n o t i n c l u d e d unde r Con tempora ry O b s e r v a t i o n s ( 1 9 6 7 - 1 9 7 8 ) , b u t a r e t r e a t e d s e p a r a t e l y l a t e r unde r t h e s u b j e c t o f N e s t i n g .

Kona D i s t r i c t (1967-1978)

J . G i f f i n found none i n P u ' u a n a h u l u on s u r v e y s c a r r i e d o u t f r o m 1 J u l y 1977 t o 30 J u n e 1978 ( 4 2 a ) , t h e pa i r which n e s t e d u n s u c c e s s f u l l y i n 1964 h a v i n g a p p a r e n t l y v a n i s h e d .

Page 16: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I n t h e P u t uwa' awa' a Ranch a r e a v a r i o u s i n d i v i d u a l s r e p o r t e d ' A l a l z d u r i n g t h e c o n t e m p o r a r y p e r i o d . P. C r o s l a n d saw o n e w i t h a t w i g i n i t s b i l l f l y i n g a c r o s s t h e B e l t Highway n e a r t h e j u n c t i o n w i t h H u a l s l a i j e e p r o a d on 23 J u n e 1967 ( 4 0 ) . J . W . A l d r i c h saw two a t r a n c h h e a d q u a r t e r s on 16 J a n u a r y 1967 ( 6 0 ) . R . K e a k e a l a n i and S . Yano, r a n c h e m p l o y e e s , r e p o r t e d s e e i n g f rom o n e t o t h r e e i n t h e S t o n e C o r r a l and P u ' u i k i a r e a s i n J u n e 1970 ( 6 2 - 6 4 ) . One o r two were h e a r d u p s l o p e f rom t h e f i r s t w a t e r t a n k o n t h e j e e p t r a i l t o S h a n g r i l a on 16 J u n e 1 9 7 1 by t h e s e n i o r a u t h o r ( 6 5 ) . A r e p o r t i n U. S. F i s h and W i l d l i f e S e r v i c e f i l e s d o c u m e n t s t h r e e b e i n g n o t e d i m m e d i a t e l y a b o v e r a n c h h e a d q u a r t e r s i n Sep t ember 1 9 7 1 ( 8 4 ) . C . v an R i p e r I11 o b s e r v e d a few on t h e r a n c h , some a s low a s h e a d q u a r t e r s ( 2700 f t e l e v . ) , i n 1 9 7 3 ( 8 3 ) . A n e s t and a few unemployed b i r d s we re l o c a t e d o n t h e r a n c h d u r - i n g 1 9 7 3 t o 1976 ( 1 3 1 - 1 4 2 ) . J . G i f f i n found f i v e i n a s u r v e y o f t h e r a n c h o n 5 A p r i l 1977 ( 8 4 a ) , b u t l o c a t e d o n l y two on e a c h o f two v i s i t s l a t e r i n 1977 and 1978 ( 8 4 c , d ) .

A f ew w e r e a l s o n o t e d on t h e uppe r s l o p e s o f P u ' u w a ' a w a ' a Ranch f rom 1967 t o 1 9 7 8 . Four we re found on 17 Sep t ember 1969 on a s u r v e y f rom P o ' o h o h o ' o t o P u ' u Henahena , b u t none we re r e c o r d e d i n r e p e a t s e a r c h e s o f t h i s a r e a a week l a t e r d u r i n g two d a y s ( 2 7 4 - 2 7 6 ) . However, S . Montgomery h e a r d a s i n g l e c a l l a t Po 'o - h o h o ' o o n 2 1 December 1 9 6 9 , and J . J a c o b i saw and h e a r d t h r e e n e a r P o ' o h o h o ' o o n 3 1 A u g u s t 1 9 7 1 ( 2 7 3 , 2 7 7 ) .

N e s t i n g , wh ich w i l l b e t r e a t e d i n d e t a i l l a t e r , was o b s e r v e d i n u p p e r e l e v a t i o n s o f P u ' u w a ' a w a ' a Ranch e a c h y e a r d u r i n g 1 9 7 3 t o 1 9 7 6 . One n e s t e a c h y e a r i n 1 9 7 3 , 1 9 7 4 , and 1 9 7 5 r e s u l t e d i n t o t a l p r o d u c t i o n o f two f l e d g l i n g s w h i l e t h r e e n e s t s i n 1976 p ro - d u c e d t h r e e young. No n e s t s we re found on P u ' u w a ' a w a ' a Ranch i n 1977 o r 1978 .

F a r t h e r west, i n t h e H u a l a l a i Ranch a r e a ( K a t C p 5 1 e h u ) , ' A l a l z were h e a r d o r s e e n i n s m a l l numbers f rom 1967 t o 1 9 7 3 and f rom 1976 t o 1 9 7 8 by t h e f o l l o w i n g o b s e r v e r s : L. W . B r y a n , J . G i f f i n , R . K e a s t , E . Kosaka , C . v a n R i p e r 111, S. Montgomery, N . C a r l s o n , M . M i r a n d a , P. C . Banko, and W . E . Banko ( 8 9 - 1 1 0 ) . Of t h e f i v e r e c o r d s i n d i c a t i n g r e s u l t s o f ranch-wide s u r v e y s ( 1 0 3 , 1 0 4 , 1 0 7 , 1 0 9 , 1 1 0 p ) , none r e p o r t e d a t o t a l o f more t h a n e i g h t o r n i n e a d u l t s o r i m m a t u r e s s e e n o r h e a r d i n o n e d a y ( 1 0 7 , 1 1 0 p ) . Of 1 5 s u r v e y s i n 1 9 7 6 , 1 9 7 7 , and 1978 (1lOa-o) , more t h a n f o u r we re r e p o r t e d l y s e e n o n l y t h r e e t i m e s i n o n e d a y ( 1 1 0 c , 1 1 0 k , 1 1 0 n ) . S i x w e r e t a l l i e d on two o c c a s i o n s . S . Kawahara , howeve r , e s t i m a t e d h e a r i n g many more t h a n t h e e i g h t a c t u a l l y s e e n on 6 F e b r u a r y 1 9 7 1 ( 9 8 ) . I n Ka'TipCilehu ' A l a l z were s e e n i n w i d e l y s e p a r a t e d l o c a l i t i e s , f r om Pu ' uwa' awa' a Ranch a l o n g t h e H u a l Z l a i j e e p a c c e s s t r a i l west t o t h e unnamed v o l c a n i c c o n e s a b o v e H u a l z l a i Ranch h e a d q u a r t e r s and up t o t h e S h e e p S t a t i o n a b o v e t h e r a n c h .

N e s t i n g was o b s e r v e d on H u a l z l a i Ranch e a c h y e a r f rom 1 9 7 0 t o 1 9 7 8 , t h e number o f n e s t i n g i n d i c a t i o n s found e a c h y e a r r a n g i n g f rom o n e t o f i v e . A t o t a l o f 1 6 f l e d g l i n g s r e s u l t e d f rom t h e 20 known n e s t i n g a t t e m p t s . P r o d u c t i o n o f a t l e a s t f o u r young f r o m f i v e n e s t s i n 1977 was t h e maximum o b s e r v e d . N e s t i n g de - t a i l s a r e t r e a t e d l a t e r .

Page 17: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I n t h e a d j a c e n t H u ' e h u ' e Ranch a r e a t o t h e s o u t h , ' A l a l z w e r e r e c o r d e d o n l y i n t e r m i t t e n t l y d u r i n g t h e 1967 t o 1 9 7 8 p e r i o d . R. W i l l i a m s d i d n o t r e c a l l s e e i n g any a r o u n d Ranch h a d q u a r t e r s a f t e r 1964 ( 1 8 5 ) . S e a r c h e s w e r e c o n d u c t e d a l o n g Ka loko r o a d s by U . S . F i s h and W i l d l i f e S e r v i c e and ~ a w a i i S t a t e D i v i s i o n o f F i s h and Game p e r s o n n e l i n 1969 and 1 9 7 1 , and a g a i n i n 1 9 7 6 , 1 9 7 7 , and 1 9 7 8 ( 3 9 d , 1 8 6 , 1 8 9 a - e ) . J . G i f f i n saw ' A l a l Z o n f o u r o c c a s i o n s i n 1976 and 1 9 7 7 , i n c l u d i n g a g r o u p o f e i g h t t o 1 0 on 21 Sep- t e m b e r 1 9 7 6 , b u t none on v i s i t s f r o m 1 J u l y 1977 t o 30 J u n e 1978 ( 1 8 9 a - e ) . F. Z e i l l e m a k e r ' s r e p o r t o f two a t t h e u p s l o p e e n d o f Kaloko s u b d i v i s i o n r o a d o n 5 November 1976 ( 1 8 9 ) and P. C r a c k e l ' s o b s e r v a t i o n o f two s o u t h o f H u ' e h u ' e Ranch n e a r t h e F o r e s t R e s e r v e bounda ry i n 'O'oma 1 on 20 A u g u s t 1 9 7 5 , and r a r e l y o n p r e v i o u s o c c a s i o n s ( 1 8 7 , l 8 8 ) , a r e a d d i t i o n a l r e c o r d s o f s i g h t i n g s i n t h e ~ u ' e h u ' e Ranch a r e a i n r e c e n t y e a r s .

F a r t h e r s o u t h , o n P a l a n i Ranch (HonokEhau l ) , t h e r e h a v e b e e n r e p e a t e d o b s e r v a t i o n s t o t a l i n g 35 r e c o r d s f rom 1 9 6 8 t o 1 9 7 5 and i n 1977 and 1978 ( 1 9 0 - 2 1 3 j ) . Of t h e n i n e r e c o r d s o f e i g h t o r more ' ~ l a l z s e e n t o g e t h e r (194 -196 , 208-212, 2 1 3 f ) , t h r e e r e p r e - s e n t s i g h t i n g s made f rom 26 A u g u s t t o 26 O c t o b e r 1970 ( 1 9 4 - 1 9 6 ) ; o n e on 27 J u n e 1973 ( 2 0 8 ) ; f o u r f rom 2 1 J u l y t o November 1974 ( 2 0 9 - 2 1 2 ) ; and o n e on 26 O c t o b e r 1977 ( 2 1 3 f ) . T o t a l numbers s e e n o r h e a r d i n l o o s e a s s o c i a t i o n t o g e t h e r on any o n e o f t h e s e o c c a - s i o n s r a n g e f rom e i g h t ( 1 9 5 , 1 9 6 ) t o 2 1 ( 2 0 9 ) . I t a p p e a r s t h a t s u c h p o s t - b r e e d i n g f l o c k s a r e composed o f s u c c e s s f u l and unsuc- c e s s f u l a d u l t s , i m m a t u r e s , and f l e d g l i n g s ( 2 0 8 - 2 1 1 ) . The f l o c k o f more t h a n e i g h t s e e n n e a r t h e t e l e p h o n e r e l a y s t a t i o n a l o n g t h e H u a l z l a i j e e p t r a i l n o r t h o f H u a l z l a i Ranch b y S . Kawahara i n 1 9 7 1 ( 9 8 ) , was p r o b a b l y o f s i m i l a r c o m p o s i t i o n . A l l s u c h mixed- a g e c o n g r e g a t i o n s h a v e b e e n o b s e r v e d f rom 27 J u n e t o 6 F e b r u a r y .

I n c o n t r a s t t o t h e number o f s i g h t i n g s o f e i g h t o r more t o g e t h e r , f l o c k s composed o f f i v e t o s e v e n members h a v e b e e n r e c o r d e d o n l y twice ( 1 9 9 , 204 ) and on o n e o f t h e s e o c c a s i o n s t h e number o f b i r d s p r e s e n t may a c t u a l l y h a v e b e e n a s h i g h a s 10 ( 1 9 9 ) . From two t o f o u r h a v e b e e n c o u n t e d o n P a l a n i Ranch o n 1 0 o c c a s i o n s ( 1 9 0 , 200 , 201 , 213 , 213a , 213c , 213d , 2 1 3 9 - i ) , w h i l e o n l y o n e i n d i v i d u a l h a s b e e n r e c o r d e d f i v e times ( 2 0 2 , 207 , 2 1 3 b , 2 1 3 e , 2 1 3 j ) . D u r i n g t h r e e v i s i t s t o t h e r a n c h i n s e a r c h o f ' A l a l Z , none we re s e e n o r h e a r d ( 1 9 2 , 203 , 2 0 6 ) . J . G i f f i n con- c l u d e d a t t h e end o f 1977 and 1 9 7 8 s u r v e y s t h a t t h e P a l a n i Ranch p o p u l a t i o n c o n s i s t e d o f a t l e a s t o n e s u c c e s s f u l b r e e d i n g p a i r and a s i n g l e f l e d g l i n g ( 2 1 3 k ) .

I n a r e a s b o r d e r i n g P a l a n i Ranch o n t h e n o r t h and e a s t , A l a l Z were r e c o r d e d s e v e r a l t i m e s , two o r t h r e e b e i n g h e a r d i n ' une 1 9 7 3 i n H o n u a ' u l a T r a c t 2 a t a b o u t 5850 f e e t e l e v a t i o n , two

s e e n i n K e a l a k e h e Mauka T r a c t a t 4000 f e e t e l e v a t i o n o n 1 O c t o b e r 1 9 7 4 , and two, p o s s i b l y d r i v e n down by bad w e a t h e r , s e e n t h e n e x t d a y i n t h e same T r a c t a t 2650 f e e t e l e v a t i o n ( 2 4 1 - 2 4 3 ) .

N e s t i n g on P a l a n i Ranch was o b s e r v e d e a c h y e a r d u r i n g 1 9 7 2 t o 1 9 7 8 , t h e number o f n e s t i n g i n d i c a t i o n s f o u n d e a c h y e a r r a n g i n g f rom o n e t o f o u r . A t o t a l o f 1 5 f l e d g l i n g s r e s u l t e d f r o m t h e 1 3 known n e s t i n g a t t e m p t s . P r o d u c t i o n o f a t l e a s t s i x young f rom f o u r n e s t s i n 1974 was t h e maximum o b s e r v e d . D e t a i l s o f n e s t i n g a r e p r e s e n t e d l a t e r .

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F a r t h e r t o t h e s o u t h , i n c e n t r a l Kona, t h e r e seem t o h a v e b e e n no o b s e r v a t i o n s i n t h e K e a l a k e k u a a r e a d u r i n g t h e contem- p o r a r y p e r i o d and o n l y t h r e e r e c o r d s a r e known f o r t h e a r e a up- s l o p e . N . S a n t o s saw and h e a r d o n e on 8 November 1967 a l o n g t h e J u d d T r a i l a b o u t a mile f rom t h e H u a l X a i NEnZ S a n c t u a r y ( 2 8 5 ) . G . Ackerman r e p o r t e d them t o b e p r e s e n t i n t h e P a p a l o a - P a u a h i a r e a on E a s t e r Sunday 1969 and two, p e r h a p s t h e same o n e s ob- s e r v e d by Ackerman, w e r e s e e n by t h e s e n i o r a u t h o r i n t h e same g e n e r a l a r e a on 1 2 J u n e 1969 ( 3 0 6 , 3 0 7 ) .

I m m e d i a t e l y t o t h e s o u t h o f P a u a h i , i n and n e a r Hsnaunau F o r e s t R e s e r v e n e a r McCandless Ranch , N . C a r l s o n saw and h e a r d f o u r on 7 A p r i l 1970 ( 3 2 0 ) . Lower down, I a u k e a r e p o r t e d h e a r i n g ' A l a l S f o r t h e f i r s t t i m e on h i s c o f f e e p l a n t a t i o n a t 1700 f e e t e l e v a t i o n o n a b o u t 20 May 1 9 7 0 , b u t none w e r e f o u n d i n a f o l l o w - u p s e a r c h i n t h e a d j a c e n t f o r e s t on 4 J u n e ( 3 2 1 ) . N . C a r l s o n , L. W . B r y a n , and b o t h a u t h o r s r e c o r d e d ' A l a l z i n and n e a r t h e Hbnaunau F o r e s t R e s e r v e d u r i n g t h e f a l l and s p r i n g mon ths i n 1 9 7 0 , 1971 , and 1 9 7 3 , b u t e x c e p t f o r b r e e d i n g b i r d s n o t e d l a t e r , numbers we re l i m i t e d t o i n d i v i d u a l s and p a i r s ( 3 2 3 - 3 2 6 ) . W i n t e r and e a r l y s p r i n g s u r v e y s i n t h e R e s e r v e by J . G i f f i n i n 1977 and 1 9 7 8 r e v e a l e d a s many as f o u r o r f i v e o n o c c a s i o n , b u t u s u a l l y o n l y two o r t h r e e ( 3 2 7 - 3 2 7 e ) . A f t e r t h e 1978 b r e e d i n g s e a s o n G i f f i n c o n c l u d e d t h a t t h e HEnaunau F o r e s t R e s e r v e p o p u l a t i o n con- s i s t e d o f a t l e a s t o n e s u c c e s s f u l n e s t i n g p a i r , two u n s u c c e s s f u l n e s t i n g p a i r s , o n e immature i n d i v i d u a l , and o n e f l e d g l i n g f o r a t o t a l o f e i g h t ( 3 2 7 ~ ) .

N e s t i n g i n o r a d j a c e n t t o HEnaunau F o r e s t R e s e r v e was ob- s e r v e d e a c h y e a r f rom 1 9 7 2 t o 1 9 7 8 , t h e number o f n e s t i n g i n d i c a - t i o n s found e a c h y e a r r a n g i n g f rom o n e t o f o u r . A t o t a l o f 1 0 f l e d g l i n g s r e s u l t e d f rom t h e 14 known n e s t i n g a t t e m p t s . P roduc- t i o n o f two young f rom f o u r n e s t i n g a t t e m p t s i n 1978 was t h e maximum o b s e r v e d . D e t a i l s o f n e s t i n g a r e p r e s e n t e d l a t e r .

On McCandless Ranch, a d j o i n i n g Hbnaunau F o r e s t R e s e r v e o n t h e e a s t and s o u t h , t h e r e a r e many r e c o r d s o f ' A l a l Z ( 3 4 8 , 349 , 3 5 1 a , 352, 3 5 9 a - k ) , a s w e l l a s a b s e n c e on some o c c a s i o n s ( 3 5 0 , 3 5 1 , 3 5 9 ) . Rancher P. L ' O r a n g e l s r e c o l l e c t i o n o f s e e i n g e i g h t t o g e t h e r somet ime d u r i n g t h e 1960 ' s i s n o t e w o r t h y ( 3 5 2 1 , s i n c e m o s t o t h e r o b s e r v a t i o n s up t o 1976 a r e o f o n l y o n e t o f o u r b i r d s t o g e t h e r . J . G i f f i n ' s r e c o r d o f e i g h t o n 1 7 A p r i l 1 9 7 8 a l m o s t c e r t a i n l y i n c l u d e d b r e e d i n g p a i r s , b u t i t i s n o t known f rom h i s r e p o r t w h e t h e r t h e s e e i g h t we re s e e n s e p a r a t e l y o r t o g e t h e r ( 3 5 9 i ) . Acco rd ing t o G i f f i n , t h e McCand le s s Ranch p o p u l a t i o n a f t e r t h e 1978 b r e e d i n g s e a s o n c o n s i s t e d o f a t l e a s t o n e suc - c e s s f u l and two u n s u c c e s s f u l p a i r s , two unemployed a d u l t s , and two immature i n d i v i d u a l s f o r a t o t a l o f 1 0 ( 3 5 9 l ) , t h e o n e f l e d g - l i n g p r o d u c e d b e i n g t a k e n f o r c a p t i v e b r e e d i n g l a t e r .

I n Honokua and PZhoehoe 1 and 2 on McCandless Ranch , C . M e d e i r o s d i d n o t r e c a l l t h e p r e s e n c e o f ' A l a l E i n Honokua i n 1 9 7 1 i n l o c a t i o n s where h e remembered many i n t h e e a r l y 1 9 5 0 ' s ( 3 7 3 ) . P. L I O r a n g e s i g h t e d t h r e e o n c e d u r i n g J a n u a r y 1 9 6 8 t o J u n e 1969 a l o n g t h e j e e p t r a i l i n Honokua, b u t d i d n o t see o r h e a r any a t e l e v a t i o n s whe re h e l a t e r o b s e r v e d them i n 1970 and 1 9 7 1 ( 3 7 4 , 376 , 3 7 8 ) .

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N e s t i n g on McCandless Ranch was o b s e r v e d e a c h y e a r f rom 972 t o 1 9 7 8 , t h e number o f n e s t i n g i n d i c a t i o n s found e a c h y e a r a n g i n g f rom o n e t o t h r e e . A t o t a l o f 11 f l e d g l i n g s r e s u l t e d 'rom t h e 1 2 known n e s t i n g a t t e m p t s . P r o d u c t i o n o f t h r e e young 'rom two n e s t s i n 1975 and a g a i n i n 1977 was t h e maximum ob-

s e r v e d . N e s t i n g d e t a i l s a r e t r e a t e d l a t e r .

S o u t h o f McCandless Ranch, D . K a l e a l o h a saw a b o u t s i x w h i l e w o r k i n g o n a b o u n d a r y s u r v e y i n ~ p r i l 1969 n e a r a p l a c e on t h e map d e s i g n a t e d a s " ~ o u n t a i n " i n PZhoehoe 2 , S o u t h Kona F o r e s t R e s e r v e ( 3 7 5 ) . M . M e d e i r o s remembered s e e i n g ' A l a l z i n Honokua a t a b o u t 3000 f e e t e l e v a t i o n i n F e b r u a r y 1 9 7 1 ( 3 7 7 ) . However, t h i s a r e a was s e a r c h e d w i t h o u t s u c c e s s o n 1 8 J u n e 1 9 7 1 ( 3 7 9 , 3 8 0 ) .

F a r t h e r s o u t h i n ' x l i k a Homes t eads and PZpZ 1, t h e s p e c i e s was r e c o r d e d a number o f t i m e s f rom 1969 t o 1 9 7 2 by s e v e r a l ob- s e r v e r s ( 3 9 1 - 4 0 2 ) . A l l o f t h e r e c o r d s o f p o s i t i v e f i n d i n g s w e r e o f o n l y o n e o r two i n d i v i d u a l s , m o s t o f wh ich w e r e s e e n a t a b o u t 3400 f e e t e l e v a t i o n on Yee Hop Ranch i n t h e H a u o l i R e s e r v o i r - K o a M i l l a r e a .

I n d i v i d u a l s and p a i r s w e r e r e c o r d e d a few t imes i n 1 9 7 1 and 1 9 7 2 a t a b o u t 3400 f e e t e l e v a t i o n i n Ho16p'uloa n e a r t h e 1926 l a v a f l o w a b o u t 1 .25 miles s o u t h w e s t o f Honomalino Camp ( 4 2 8 - 4 3 3 ) .

J . G i f f i n s t a t e d i n h i s r e p o r t t h a t 'A la lz were r e p o r t e d by o t h e r s b u t n o t f ound by him i n Honomal ino d u r i n g 1 J u l y 1977 t o 30 J u n e 1978 ( 4 3 3 a ) .

H i g h e r u p , a t a b o u t 5300 f e e t e l e v a t i o n , and i n K a p u ' a t o t h e s o u t h , ' A l a l Z w e r e n o t f o u n d o n s e v e r a l t r i p s t o l o c a l i t i e s w h e r e t h e y had b e e n s e e n i n t h e 1 9 5 0 ' s ( 4 4 8 ) . None were f o u n d i n Kapu ' a d u r i n g t h e summers o f 1974 t o 1976 ( 4 4 8 b ) . J . G i f f i n a l s o r e p o r t e d f i n d i n g none i n Kapu ' a on s u r v e y s d u r i n g 1 J u l y 1977 t o 30 J u n e 1978 ( 4 4 8 a ) .

N e s t i n g i n t h e Honomalino a r e a , m o s t l y i n ' x l i k a Homes t eads , was o b s e r v e d e a c h y e a r d u r i n g 1969 t o 1 9 7 4 , e x c e p t f o r 1 9 7 1 . A t o t a l o f o n e f l e d g l i n g p r o d u c e d i n 1 9 7 3 r e s u l t e d f rom t h e s i x known n e s t i n g a t t e m p t s . N e s t i n g d e t a i l s i n t h e Honomal ino a r e a a r e t r e a t e d l a t e r .

K a ' c D i s t r i c t ( 1967 -19781

T h e r e a r e o n l y a few r e c o r d s o f ' A l a l z i n K a ' E d u r i n g t h e c o n t e m p o r a r y p e r i o d , none o f wh ich we re o f b i r d s known o r s u s - p e c t e d t o b e n e s t i n g . J . F r e i t a s r e c a l l e d s e e i n g a few e a s t o f Kahuku Ranch a b o u t f o u r times f rom 1960 t o 1 9 6 9 , t h r e e b e i n g s e e n t o g e t h e r i n 1968 a b o u t 1 mile n o r t h e a s t o f K i o l a k a ' a i n Ka'C F o r e s t R e s e r v e ( 4 8 1 ) . E . ~ o l c i l i o r e p o r t e d t h a t h e h e a r d ' A l a l a i n t h e K i o l a k a ' a f o r e s t , n e a r Kahuku Ranch, a b o u t O c t o b e r 1 9 7 1 ( 4 8 2 , 4 8 3 ) , b u t none we re f o u n d i n t h e a r e a d u r i n g a s u r v e y b y t h e s e n i o r a u t h o r on 1 3 J u n e 1972 ( 4 6 6 ) . lala la w e r e h e a r d by M o l c i l i o on 29 A u g u s t 1974 a t a b o u t 4500 f e e t e l e v a t i o n 0 .25 m i l e i n t o K i o l a k a ' a f o r e s t f rom Kahuku Ranch ( 4 6 7 ) .

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I n t h e PZha la a r e a , W. D e r a s i n r e c a l l e d t h a t h e l a s t h e a r d ' A l a l Z a b o u t 1972 above Mounta in House ( 4 7 5 ) and N . C a r l s o n saw o n e o.n 1 5 September 1968 a b o u t a mile downslope from t h e KalG e n t r a n c e t o Hawaii V o l c a n o e s N a t i o n a l P a r k ( 4 6 1 ) .

The U . S . F i s h and w i l d l i f e S e r v i c e r e p o r t e d t h a t f o u r pos- s i b l e t r a n s i e n t s were h e a r d b u t none were s e e n d u r i n g f o r e s t b i r d s u r v e y s i n Ka'E i n 1976 ( 4 4 9 a ) .

Hawai i Vo lcanoes N a t i o n a l P a r k (1967-1978)

I n Hawaii V o l c a n o e s N a t i o n a l Pa rk ' A l a l Z have b e e n o b s e r v e d on t h r e e r e c e n t o c c a s i o n s . G . Bauer saw one a t c l o s e r a n g e on 11 J a n u a r y 1975 a t ~ i ~ u k a ~ u a u l u ( B i r d P a r k ) ( 4 9 6 ) . J . Mermel ob- s e r v e d a l a r g e b l a c k b i r d wh ich , f rom h i s d e s c r i p t i o n , c o u l d o n l y h a v e been a n ' A l a l z on 29 Augus t 1976 n e a r ~ i p u k a p u a u l u i n t h e S e r v i c e h o r s e p a s t u r e ( 4 9 7 ) . J . P u n i w a i saw one i n March 1977 f rom t h e window o f h e r home i n t h e S e r v i c e r e s i d e n c e a r e a ( 4 9 8 ) .

E x t r a - l i m i t a l O b s e r v a t i o n s

Records o f b i r d s s e e n o r h e a r d w i t h i n t h e i r e x p e c t e d r a n g e h a v e a l r e a d y b e e n d i s c u s s e d . R e p o r t s o f ' A l a l z o u t s i d e t h e i r normal r a n g e r e c e i v e d from f e d e r a l and s t a t e c o n s e r v a t i o n agen- c i e s and i n t e r e s t e d c i t i z e n s , t o g e t h e r w i t h some e a r l y p u b l i s h e d s t a t e m e n t s o n l i m i t s o f h i s t o r i c a l r a n g e , a r e p r e s e n t e d by i s l a n d and d i s t r i c t i n t h e f o l l o w i n g a c c o u n t s .

Koha la D i s t r i c t :

J . F i t c h , o n a t empora ry f i e l d a s s i g n m e n t f o r t h e Smith- s o n i a n I n s t i t u t i o n , r e p o r t e d s e e i n g a crow f l y i n g o v e r a c a n e f i e l d a b o u t 1 . 5 miles from N i u l i ' i toward ~ o l o l c V a l l e y l o o k o u t o n 22 September 1968 ( 5 0 0 ) .

Mrs. A. C . S t e a r n s , a l o n g - t i m e r e s i d e n t o f Koha la , saw o n e a t c l o s e r a n g e a t t h e j u n c t i o n o f KahuZ f e n c e l i n e and t h e j e e p t r a i l a t t h e head o f P o l o 1 5 V a l l e y on two o c c a s i o n s , o n c e d u r i n g t h e f i r s t week i n September 1970 and l a t e r a g a i n t h a t y e a r on 4 , 5 , o r 6 November ( 4 9 9 ) .

Kona and KalG D i s t r i c t s :

S e v e r a l s i g h t i n g s of ' ~ l a l z o u t s i d e t h e i r e x p e c t e d r a n g e i n Kona and Ka 'E were logged . D. w h i t e saw o n e a t Wai - 'Ahukin i , i n P Z k i n i N u i , w h i l e on h i s way t o S o u t h P o i n t i n A p r i l o r May 1969 ( 5 0 4 ) . I n KalE, n o r t h o f Hawai i V o l c a n o e s N a t i o n a l P a r k , Ba ldwin ( 1 9 4 1 ) r e p o r t e d a t a m e e t i n g o f Manu I k i S o c i e t y t h a t o n e had been s e e n n e a r P u ' u ~ t l a n i , b u t g a v e no d a t e ( 5 0 1 ) . More r e c e n t l y , on 6 Augus t 1971 , S t a t e F o r e s t e r L . Landgraf and

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compan ion D . C a r l s m i t h h e a r d two 'A la l z a b o u t 200 f e e t o f f t h e P u ' u ' 5 ' 5 T r a i l be tween Keawewai Camp and P u ' u k i p t ( 5 0 2 ) . F o r e s t e r s C . Wakida , E . P e t t y s , S . Kamelamela , and H . H o r i u c h i h e a r d two f o r c e r t a i n and p o s s i b l y more n e a r P u ' u L Z ' a u , ~ i l a u e a F o r e s t R e s e r v e , o n 27 F e b r u a r y 1974 ( 5 0 3 ) .

Hawaii V o l c a n o e s N a t i o n a l P a r k :

T h e o c c u r r e n c e o f ' A l a l Z i n h i s t o r i c r a n g e w i t h i n t h e N a t i o n a l P a r k h a s a l r e a d y b e e n m e n t i o n e d ( 4 8 9 - 4 9 8 ) . ' A l a l z h a v e a l s o b e e n r e c o r d e d i n t h e P a r k w h e r e t h e i r o c c u r r e n c e may b e r e g a r d e d a s e x t r a - l i m i t a l . B a l d w i n ( 1 9 4 1 ) n o t e d t h a t G . O l s o n saw o n e i n f l i g h t n e a r t h e e a s t e n t r a n c e o n 27 November 1940 ( 5 1 3 ) . Much l a t e r , a b o u t 1 9 6 0 , P a r k e m p l o y e e L . C r u z r e c a l l e d s e e i n g and h e a r i n g o n e a b o u t 1 mile n o r t h e a s t o f Nhpau C r a t e r ( 5 1 4 ) . C r u z n o t e d a n o t h e r n e a r K o ' o k o ' o l a u C r a t e r a f t e r a h a r d Kona s t o r m d u r i n g t h e w i n t e r o f 1 9 6 3 t o 1 9 6 4 ( 5 1 5 ) . On 5 Sep- t embe r 1976 t e m p o r a r y r a n g e r J . Mermel l o g g e d t h e r e p o r t o f a l a r g e b l a c k squawk ing b i r d m a t c h i n g t h e d e s c r i p t i o n o f a n ' A l a l Z s e e n t h a t d a y by s e v e r a l t o u r i s t s a t T h u r s t o n Lava Tube ( 5 1 6 ) .

' A l a l Z h a v e a l s o o c c u r r e d i n r e c e n t y e a r s i n e v e n more u n e x p e c t e d l o c a t i o n s i n t h e P a r k . J . B e y e r , H . M a k i z u r u , and K . Mak izu ru examined o n e t h r o u g h b i n o c u l a r s o n l y a b o u t 7 5 f e e t away a t 8500 t o 9000 f e e t e l e v a t i o n a l o n g t h e Mauna Loa Summit T r a i l o n 3 A p r i l 1 9 6 9 ( 5 1 2 a ) - - a n a l t i t u d i n a l r e c o r d f o r t h i s s p e c i e s . On t h e s e a c o a s t , K . R o b e r t s and L . Pau h e a r d and saw o n e o n two d i f f e r e n t o c c a s i o n s i n e a r l y F e b r u a r y 1978 a t a n d n e a r W a h a ' u l a H e i a u ( 5 1 7 , 5 1 8 ) . The j u n i o r a u t h o r a l s o h e a r d a t l e a s t o n e n e a r Waha ' u l a H e i a u on 1 0 J u n e 1978 and was t o l d by M . P l o t t h a t o n e p o s s i b l e s i g h t i n g i n t h e same a r e a had b e e n made p r i o r t o t h i s d a t e b,y t h e a r c h a e o l o g i c a l s u r v e y c r e w ( 5 1 8 a ) .

~ i l a u e a D i s t r i c t :

Henshaw ( 1 9 0 2 ) and H . C . Shipman r e p o r t e d s e p a r a t e l y t h a t t h e H a w a i i a n d i s t r i c t o f Puna was o u t s i d e t h e h i s t o r i c r a n g e o f ' A l a l Z ( 5 0 5 - 5 0 7 ) . J . M . S c o t t saw o n e f l y i n g n e a r V o l c a n o o n 1 7 November 1974 ( 5 0 8 ) . W . P. M u l l , f r o m h i s V o l c a n o r e s i d e n c e window, s a w o n e f l y i n t o and t h e n o u t o f t h e m i d s t o r y o f a n ' E h i ' a t r e e ( M e t r o s i d e r o s c o l l i n a ) on 1 6 O c t o b e r 1977 ( 5 0 9 ) . C. Key lon saw o n e n e a r PZhoa S c h o o l f l y i n g s i l e n t l y t o w a r d t h e s e a c o a s t a b o u t 0730 h o u r s i n mid-October 1977 ( 5 1 0 ) . I n Kala- p a n a , a l o n g t h e c o a s t j u s t o u t s i d e H a w a i i V o l c a n o e s N a t i o n a l P a r k , J . J u d d saw a n ' A l a l Z a t a d i s t a n c e o f a b o u t 40 f e e t o n 1 May 1 9 7 1 a b o u t 1 m i l e n o r t h o f Q u e e n ' s B a t h ( 5 1 1 ) . B. R o b e r t s s a w and h e a r d o n e a b o u t 1 m i l e n o r t h e a s t o f W a h a ' u l a H e i a u i n e a r l y F e b r u a r y 1 9 7 8 ( 5 1 2 ) n e a r w h e r e t h i s s p e c i e s was s e e n d u r i n g t h e same p e r i o d by K . R o b e r t s and L . Pau ( 5 1 7 , 5 1 8 ) .

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Mauna Kea D i s t r i c t :

' A l a l z have a l s o been s e e n a number of times by v a r i o u s o b s e r v e r s i n r e c e n t y e a r s a round H i l o and n o r t h w a r d a l o n g t h e s l o p e s o f Mauna Kea where t h e r e a r e no p r e v i o u s r e c o r d s o f t h e i r o c c u r r e n c e ( 5 1 9 ) . P. Q. Tomich n o t e d o n e s e e n o f f Waikahe Road above H i l o a t 1000 f e e t e l e v a t i o n a b o u t 0 .25 mile f rom t h e n a t i v e f o r e s t i n WaiZkea Uka i n March 1970 ( 5 3 0 ) . E . Pung, Hawai i S t a t e D i v i s i o n o f F o r e s t r y , was c e r t a i n o f t h e i d e n t i t y o f two ' A l a l Z s e e n n e a r Ainako Avenue i n H i l o a t a b o u t 700 f e e t e l e v a t i o n , f l y i n g t o w a r d s Mauna Kea a t d u s k on 1 3 A p r i l 1977 ( 5 3 1 ) . A c t i n g on a r e p o r t f rom J . Pun iwa i t h a t h e r f a t h e r , A. C r a v a l h o , some- times saw ' A l a l z i n h i s c a t t l e p a s t u r e a t a b o u t 900 f e e t e l e v a - t i o n i n H i l o , t h e s e n i o r a u t h o r c o n t a c t e d him a t h i s home on 9 May 1977 . H e d r o v e m e o u t t o h i s p a s t u r e l a n d o f f Ako lea Road, P i ' i h o n u a , and though we d i d n o t happen t o s e e any ' A l a l z , C r a v a l h o b r i e f e d me on an a p p a r e n t h i s t o r y o f t h i s s p e c i e s i n t h a t a r e a . H e s a i d t h a t two had come t o h i s p a s t u r e a b o u t 10 t o 1 2 y e a r s e a r l i e r a f t e r which h e saw them r e p e a t e d l y u n t i l o n e d i s a p p e a r e d s e v e r a l y e a r s l a t e r . I t s companion remained and he had s e e n i t f a i r l y r e g u l a r l y i n t h e y e a r s t h a t f o l l o w e d , t h e l a t e s t s i g h t i n g b e i n g o n l y a few d a y s p r i o r t o my v i s i t . C r a v a l h o r e c a l l e d t h a t t h e l o n e b i r d was some t imes s e e n f o r a g i n g n e a r t h e marshy ponds o f h i s p a s t u r e , a p p a r e n t l y s e a r c h i n g f o r b u l l f r o g s which C r a v a l h o b e l i e v e d i t a t e ( 5 2 9 ) .

To t h e n o r t h o f H i l o , and h i g h e r on t h e s l o p e s o f Mauna Kea, S t a t e F o r e s t e r L. Landgraf h e a r d two 'Ala lz a t a b o u t 5200 f e e t e l e v a t i o n a l o n g Maulua T r a i l , o n e - f i f t h o f t h e way t o Shack Camp f rom W a i p u n a l e i T r a i l , on 11 J a n u a r y 1 9 6 9 , and a g a i n on 21 May 1969 ( 5 2 2 , 5 2 3 ) . I n 1971 Landgra f a l s o r e p o r t e d two a l o n g t h e Maulua T r a i l on 17 o r 1 8 and a g a i n on 25 September ( 5 2 4 , 5 2 5 ) . On 24 J u l y 1975 a t 0700 h o u r s i n t h e same g e n e r a l a r e a , Landgra f and S. Kamelamela h e a r d two a t Pua ' x k a l a , 6300 f e e t e l e v a t i o n ( 5 2 6 ) .

Much f u r t h e r n o r t h , b u t a t a l ower e l e v a t i o n , G . D a h l b e r g saw and h e a r d t h r e e ' ~ l a l s a t a b o u t 3500 f e e t e l e v a t i o n n e a r KEka ' i au Ranch ( 'Umikoa ) on 11 J a n u a r y 1974 ( 5 2 1 ) .

Some 30 miles west o f H i l o , a l o n g t h e w e s t e r n edge o f t h e U . S . Army PEhakuloa T r a i n i n g A r e a , o n t h e n o r t h w e s t s l o p e s o f Mauna Loa, t h e r e a r e two r e c o r d s o f ' A l a l Z . L. W . Bryan n o t e d a s m a l l f l o c k , h e t h o u g h t a b o u t s i x , a t a b o u t 6000 f e e t e l e v a t i o n i n a n o l d pzhoehoe k i p u k a , ~ i p u k a ' A l a l Z , on 1 9 Sep tember 1950 ( 5 2 7 ) . E . Ladd saw o n e and h e a r d a n o t h e r downslope i n t h e same g e n e r a l a r e a a t a b o u t 4700 f e e t e l e v a t i o n i n December 1975 ( 5 2 8 ) . S h a l l e n b e r g e r ( 1 9 7 7 ) found no ' A l a l z and knew o f no r e c e n t h i s - t o r y o f t h e i r o c c u r r e n c e i n t h e PEhakuloa T r a i n i n g Area when h e c o n d u c t e d b i o l o g i c a l s u r v e y s t h e r e f o r t h e U . S. Army f rom 1976 t o 1977 ( 5 2 0 ) .

Page 23: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

Maui

T. Vaughn, N a t i o n a l P a r k S e r v i c e n a t u r a l i s t , r e p o r t e d a b i r d m a t c h i n g t h e d e s c r i p t i o n o f a n ' A l a l z o n Maui i n 1970 ( 5 3 2 ) , t h e o n l y r e c o r d of t h i s s p e c i e s o c c u r r i n g on a n i s l a n d o t h e r t h a n Hawai' i . Vaughn r e p o r t e d s e e i n g a l a r g e d a r k b i r d which h e r e - a c t e d t o a s a crow b e f o r e i t dawned on him t h a t " i t c o u l d n ' t be" on Maui. Vaughn saw what was p r o b a b l y a n ' A l a l Z from h i s v e h i c l e n e a r t h e Pu'unEnE t u r n o f f a t a b o u t 1730 h o u r s on 26 O c t o b e r 1970 . T h i s d a t e i s b r a c k e t e d by t h e t w i n r e p o r t s o f a s i n g l e ' A l a l Z s e e n i n t h e Kohala Moun ta ins d u r i n g t h e f i r s t w e e k i n September and a g a i n t h e f i r s t week i n November 1970 by Mrs. A. C . S t e a r n s ( 4 9 9 ) . The f a c t t h a t a s i n g l e n o r t h w a r d wande r ing b i r d was n e a r t h e t i p o f H a w a i ' i and i n p o s i t i o n f o r t h e r o u g h l y 30-mi le o v e r - w a t e r f l i g h t t o Maui i n O c t o b e r s t r e n g t h e n s t h e c r e d i b i l i t y o f V a u g h n ' s r e p o r t . Maui i s p l a i n l y v i s i b l e f rom t h e n o r t h end o f t h e Kohala Mounta ins .

F r e s u e n c v and S e a s o n o f E x t r a - l i m i t a l S i g h t i n q s :

T h i r t y - o n e o f a b o u t 36 e x t r a - l i m i t a l r e c o r d s e x t a n t r e p r e - s e n t s i g h t i n g s made d u r i n g t h e 39-year p e r i o d 1940 t o 1978 . How- e v e r , o n l y s e v e n ( 2 3 % ) of t h e o b s e r v a t i o n s were made i n t h e f i r s t 29-year p e r i o d w h i l e 24 ( 7 7 % ) s i g h t i n g s were r e p o r t e d i n t h e l a s t 1 0 y e a r s .

Of t h e 31 e x t r a - l i m i t a l s i g h t i n g s made f rom 1940 t o 1 9 7 8 , 25 a r e c l a s s i f i a b l e by month. S e v e n t e e n ( 6 8 % ) of t h e s e 25 o b s e r v a - t i o n s were made d u r i n g t h e s ix-month p e r i o d September t h r o u g h F e b r u a r y , 11 ( 4 4 % ) b e i n g r e c o r d e d d u r i n g S e p t e m b e r , O c t o b e r , and November a l o n e . Only e i g h t ( 3 2 % ) s i g h t i n g s o c c u r r e d f r o m March t h r o u g h Augus t .

Whi l e t h e r e i s l i t t l e d o u b t t h a t v a r i o u s f a c t o r s i n h e r e n t i n t h e r e c o r d s b i a s i n t e r p r e t a t i o n o f s i g h t i n g s i n f a v o r o f i n - c r e a s e d f r e q u e n c y i n r e c e n t y e a r s , i t seems p r o b a b l e t h a t a t l e a s t p a r t o f t h e a p p a r e n t s i t u a t i o n i s r e a l . Movement o f i n d i - v i d u a l s o u t o f t r a d i t i o n a l h a b i t a t s , m o s t l y d u r i n g t h e f a l l and w i n t e r mon ths , i n t o l o c a l i t i e s where t h e y h a v e b e e n h i s t o r i c a l l y a b s e n t , r e p r e s e n t s a h e r e t o f o r u n r e p o r t e d b e h a v i o r a l phenomenon.

Page 24: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

NESTING

I n t r o d u c t i o n

P r i o r t o 1964 when t h e f i r s t n e s t was d e s c r i b e d (Tomich 1 9 7 1 ) , v i r t u a l l y n o t h i n g was known o f ' A l a l z b r e e d i n g b i o l o g y . U n t i l 1973 o n l y o n e t o t h r e e a c t i v e n e s t s had been l o c a t e d i n any o n e y e a r , b u t s i n c e t h e n f rom 5 t o 11 a c t i v e n e s t s have been d i s - c o v e r e d and m o n i t o r e d a n n u a l l y . N e s t i n g r e s u l t s a r e summarized and d i s c u s s e d i n u n p u b l i s h e d r e p o r t s by P . Banko ( 1 9 7 4 , 1 9 7 6 , 1 9 7 6 ~ ) ~ W . Banko and P. Banko ( 1 9 7 5 ) , and G i f f i n ( 1 9 7 7 , 1 9 7 8 ) .

The s t u d y of ' A l a l z b r e e d i n g b i o l o g y was d i r e c t e d t o w a r d s m o n i t o r i n g n e s t s w i t h a s l i t t l e d i s t u r b a n c e t o p a r e n t b i r d s a s p o s s i b l e r a t h e r t h a n d e t a i l e d s c r u t i n y o f r e p r o d u c t i v e e v e n t s . W h i l e some i n f o r m a t i o n on c l u t c h - s i z e , f e e d i n g of n e s t l i n g s , and o t h e r a s p e c t s o f n e s t i n g was o b t a i n e d , s t u d i e s by b o t h a u t h o r s a f t e r 1969 f o c u s e d p r i n c i p a l l y on f i n d i n g a s many n e s t s a s pos- s i b l e , d e t e r m i n i n g t h e number o f f l e d g l i n g s produced p e r n e s t , and l e a r n i n g what was p o s s i b l e o f f l e d g l i n g s u r v i v a l and r e c r u i t - ment i n t o t h e b r e e d i n g p o p u l a t i o n .

S i n c e o b s e r v a t i o n s o f b i r d s made e a r l y i n t h e b r e e d i n g c y c l e a p p e a r e d t o a d v e r s e l y a f f e c t n e s t i n g s u c c e s s , t h e a u t h o r s d e l i b - e r a t e l y d e l a y e d c l o s e i n s p e c t i o n o f s u s p e c t e d n e s t s i t e s u n t i l i t was s a f e t o assume t h a t t h e a v e r a g e n e s t was well a l o n g i n i n c u b a t i o n . Whi le t h i s p r o c e d u r e r e s u l t e d i n l i t t l e o r no o b s e r - v a t i o n s o f some r e p r o d u c t i v e e v e n t s , s u c h a s c o u r t s h i p b e h a v i o r , c o p u l a t i o n , n e s t c o n s t r u c t i o n , e g g l a y i n g , and e a r l y i n c u b a t i o n , s u c h l o s s e s were more t h a n compensa ted f o r by s e c u r i n g in fo rma- t i o n f r e e f rom t h e e f f e c t s o f o b s e r v e r i n t r u s i o n . E a r l y expe- r i e n c e s r e l a t i n g t o a p p a r e n t o b s e r v e r - i n d u c e d n e s t i n g f a i l u r e s were p a s s e d a l o n g i n f o r m a l l y t o Hawai i S t a t e D i v i s i o n o f F i s h and Game b i o l o g i s t s who were i n a p o s i t i o n t o p r o f i t from s u c h i n f o r m a t i o n . I n 1975 , n e s t s i t e s were p l o t t e d on c o n t o u r maps and f u r n i s h e d t o t h e ' ~ l a l z Recove ry Team s o t h a t s u p p l e m e n t a r y s t u d i e s m i g h t be e f f i c i e n t l y imp lemen ted .

R e s u l t s o f n e s t i n g s u r v e y s by J . G. G i f f i n i n 1977 and 1978 a r e i n c l u d e d i n t h i s r e p o r t . E x a c t l o c a t i o n s o f n e s t s t h o s e y e a r s a r e n o t g i v e n by r e q u e s t o f Hawai i S t a t e D i v i s i o n o f F i s h and Game.

N e s t i n g R e c o r d s

Kona D i s t r i c t

P u t u a n a h u l u :

Tomich ( 1 9 7 1 ) d e s c r i b e d a n ' A l a l z n e s t w i t h f i v e e g g s found i n P u ' u a n a h u l u on 26 March 1 9 6 4 , and r e p o r t e d on i t s f a i l u r e ( 6 6 - 6 8 ) . Tomich ( 1 9 7 1 ) and o t h e r s l a t e r found o l d n e s t s n e a r b y , d e m o n s t r a t i n g t h a t t h e a r e a was a t r a d i t i o n a l b r e e d i n g g round ( 6 6 , 7 0 ) . S u b s e q u e n t o b s e r v a t i o n s up t o 1978 f a i l e d t o r e v e a l any f u r t h e r e v i d e n c e o f ' A l a l Z a c t i v i t y i n P u l uanahu lu ( 6 9 , 4 2 a ) .

Page 25: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

P u ' u w a ' a w a ' a Ranch:

Rancher R. Hind r e c a l l e d t h a t t h e m o s t r e l i a b l e n e s t i n g a r e a f rom 1935 t o 1950 was i n t h e d r y ' Z h i ' a ( M e t r o s i d e r o s c o l l i n a ) zone which e x t e n d e d n o r t h e a s t o f P o ' o h o h o ' o t o t h e b a s e o f P o t a t o H i l l ( 2 7 8 ) . N o t i n g t h e o b s e r v a t i o n s o f lala la which had b e e n made i n t h i s g e n e r a l a r e a i n t h e 1 9 6 0 ' s and e a r l y 1 9 7 0 ' s ( 2 6 8 - 2 7 7 ) , s e v e r a l d e t e r m i n e d b u t u n s u c c e s s f u l s e a r c h e s were made d u r i n g 1974 t o 1976 ( 2 8 0 , 281 , 2 8 3 ) . Somet imes a p a i r o r two w a s f ound b u t n o n e s t o r e v i d e n c e o f s u c c e s s f u l b r e e d i n g was e v e r d i s c o v e r e d ( 2 7 9 , 2 8 2 ) .

I n t h e H a l e p i u l a R a i n s h e d a r e a , f r o m 4600 t o 5600 f e e t e l e - v a t i o n , o n e n e s t h a s b e e n l o c a t e d and p r o d u c t i o n m o n i t o r e d e a c h y e a r f rom 1 9 7 3 t o 1976 . P r e s u m a b l y t h e same p a i r h a s b e e n r e s p o n s i b l e f o r n e s t s f ound i n a l l f o u r y e a r s . Below t h e Ra in - s h e d , E. Kosaka , R. W a l k e r , and D . Woodside d i s c o v e r e d a n e s t w i t h u n d e t e r m i n e d c o n t e n t s a t 4600 f e e t e l e v a t i o n on 26 A p r i l 1 9 7 3 ( 1 3 1 ) , b u t i t was l a t e r f o u n d d e s e r t e d ( 1 3 2 , 1 3 3 ) . On 1 3 J u n e 1974 a n e s t w i t h t h r e e n e s t l i n g s was d i s c o v e r e d a t 4680 f e e t e l e v a t i o n a b o u t 0 .5 m i l e e a s t - s o u t h e a s t o f t h e R a i n s h e d , b u t o n l y o n e n e s t l i n g was p r e s e n t by 3 J u l y ( 1 3 4 , 1 3 5 ) . The n e s t l i n g was banded o n 1 5 J u l y and o b s e r v e d 0 .2 mile w e s t - n o r t h w e s t o f t h e n e s t o n 9 O c t o b e r ( 1 3 6 , 1 3 7 ) . On 17 J u n e 1975 a n e s t was l o c a t e d 0 .2 m i l e w e s t - n o r t h w e s t o f t h e R a i n s h e d . The s o l e f l e d g l i n g was b a n d e d , and was l a t e r s e e n 1 . 8 miles e a s t o f t h e n e s t on 1 2 J u l y ( 1 3 8 , 1 3 9 ) . A p a i r was found a t a n empty n e s t 0 .65 mile s o u t h - eas t o f t h e Ra inshed on 27 May 1 9 7 6 , b u t v i s i t s on 16 J u n e and 22 J u l y f a i l e d t o p r o d u c e any e v i d e n c e o f p r o d u c t i o n ( 1 4 0 - 1 4 2 ) .

' A l a l Z were found a b o v e H a l e p i u l a R a i n s h e d , be tween 4720 and 5600 f e e t e l e v a t i o n , b u t t h e r e was no i n d i c a t i o n o f p r o d u c - t i o n on 8 J u l y and 9 O c t o b e r 1974 o r o n 1 7 J u n e and 11 J u l y 1 9 7 5 ( 1 2 1 - 1 2 4 ) . A p a i r was l o c a t e d o n 28 May 1 9 7 6 , and on 8 J u l y a n e s t w i t h o n e f l e d g l i n g w a s d i s c o v e r e d 0 .75 m i l e n o r t h e a s t o f Ka'CpGlehu n e a r t h e P u ' u w a ' a w a ' a R a n c h - H u a l z l a i Ranch b o u n d a r y ( 1 2 6 , 1 2 7 ) . S t i l l i n t h e same a r e a t h i s f a m i l y s u b s e q u e n t l y merged w i t h a n o t h e r f a m i l y w i t h two f l e d g l i n g s , a p p a r e n t l y p r o - d u c e d on n e i g h b o r i n g ~ u a l z l a i Ranch d u r i n g 2 1 t o 23 J u l y ( 1 2 8 - 1 3 0 ) .

J . G . G i f f i n e n c o u n t e r e d two 'A la lz on Pu 'uwa ' awa ' a Ranch o n 9 November 1977 and 8 J u n e 1 9 7 8 , b u t d e t e r m i n e d a f t e r t h e 1 9 7 8 b r e e d i n g s e a s o n t h a t t h e y w e r e b o t h unemployed ( 8 4 a - c ) .

H u a l z l a i Ranch:

' ~ l a l z p r o d u c t i o n on H u a l z l a i Ranch h a s b e e n documen ted s i n c e 1970 . I n Ka 'CpGlehu, n e a r 3550 f e e t e l e v a t i o n , a b o u t 1 . 3 m i l e s e a s t - n o r t h e a s t o f Moanuia-Hea r a d i o r e l a y s t a t i o n , two n e s t s we re found a b o u t 0 .25 m i l e a p a r t and a p o x - l e s i o n e d f l e d g - l i n g was s a l v a g e d f rom e a c h f rom 1 2 t o 1 9 J u n e 1970 ( 1 4 3 - 1 4 5 ) . I n t h e same a r e a o n 7 and 29 J u n e and 9 J u l y 1 9 7 1 , two p a i r s w e r e l o c a t e d , b u t o n l y a s i n g l e n e s t l i n g was p r e s e n t , which f o r unde- t e r m i n e d r e a s o n s n e v e r f l e d g e d ( 1 4 6 - 1 4 8 ) . T h r e e a d u l t s w e r e

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o b s e r v e d a s s o c i a t i n g t o g e t h e r i n t h e same l o c a l i t y on 3 J u n e 1972 , b u t no b r e e d i n g a c t i v i t y was n o t i c e d ( 1 4 9 ) . A n e s t was found e v e r y y e a r f rom 1 9 7 3 t o 1976 i n t h e same p l a c e , u n d o u b t e d l y i n v o l v i n g t h e same p a i r e a c h time. On 1 2 May 1 9 7 3 , a n e s t con- t a i n i n g f o u r e g g s w a s found and b y 1 0 J u l y two young had f l e d g e d ( 1 5 0 - 1 5 4 ) . The f a t e o f t h e two o t h e r e g g s was u n d e t e r m i n e d . On 2 J u n e 1974 a n e s t l i n g was p r e s e n t , b u t by 27 J u n e t h e n e s t was empty and no young o r a d u l t s w e r e h e a r d i n t h e a r e a ( 1 5 5 , 1 5 6 ) . A n o t h e r n e s t l i n g was found o n 1 3 J u n e 1 9 7 5 , b u t by t h e n e x t v i s i t t o t h e n e s t a r e a on 1 3 J u l y , no b i r d s c o u l d b e l o c a t e d ( 1 5 7 , 1 5 8 ) . A n e s t l i n g found 26 May 1 9 7 6 f l e d g e d a b o u t 1 6 J u n e ( 1 6 0 , 1 6 1 ) .

I n t h e H i n a k a p o u l a a r e a o f H u a l z l a i Ranch, r e p r o d u c t i o n o f o n e o r p o s s i b l y two p a i r s was m o n i t o r e d f rom 1972 t o 1 9 7 6 . On 3 J u n e 1972 a n e s t was l o c a t e d 1.1 miles n o r t h w e s t o f H i n a k a p o u l a wh ich was d e s e r t e d by 20 J u n e when a s i n g l e b a d l y c r u s h e d egg was found o n t h e g r o u n d u n d e r n e a t h ( 1 6 2 , 1 6 3 ) . The p a i r f ound i n t h e same p l a c e on 11 May 1973 w a s n o t o b s e r v e d t o h a v e a n e s t . A g a i n , i n t h e same l o c a l i t y on 1 2 J u n e and on 3 and 11 J u l y 1 9 7 4 , a p a i r w i t h o n e f l e d g l i n g was o b s e r v e d w i t h i n 1 . 8 miles n o r t h - w e s t o f H i n a k a p o u l a ( 1 6 5 - 1 6 9 ) . I n 1975 no n e s t c o u l d b e l o c a t e d d e s p i t e t h e p r e s e n c e o f a p a i r i n t h i s a r e a on 1 3 and 1 7 J u n e , and by 2 A u g u s t t h e a r e a was a p p a r e n t l y d e s e r t e d ( 1 7 0 - 1 7 4 ) . On 26 May 1976 a p a i r was s e e n b u i l d i n g a n e s t b u t by 8 J u l y t h e n e s t was m i s s i n g ( 1 7 5 , 1 7 6 ) . The a r e a was a p p a r e n t l y c o m p l e t e l y d e s e r t e d by 1 6 J u l y ( 1 7 7 , 1 7 8 ) .

B r e e d i n g i n t h e n o r t h Ka 'EpClehu c r a t e r a r e a o f ~ u a l z l a i Ranch was f i r s t s u s p e c t e d when a p o s s i b l e f l e d g l i n g was s e e n w i t h two a d u l t s a t 4750 f e e t e l e v a t i o n 1 . 2 miles n o r t h - n o r t h e a s t o f ~ a ' c p u l e h u c r a t e r n e a r t h e b o u n d a r y w i t h P u t uwa' awa ' a Ranch on 29 J u n e 1 9 7 3 (111). Nests a n d / o r f l e d g l i n g s , p r o b a b l y o f t h e same p a i r , w e r e l o c a t e d h e r e f rom 1974 t o 1 9 7 6 . Two young d i s - c o v e r e d i n t h e n e s t on 1 2 J u n e 1974 were found t o h a v e f l e d g e d by 4 J u l y ( 1 1 2 , 1 1 3 ) . A p a i r w i t h o n e f l e d g l i n g was s e e n o n 1 7 J u n e and 1 0 J u l y 1975 ( 1 1 5 , 1 1 6 ) , b u t c o u l d n o t b e found o n 3 A u g u s t ( 1 1 7 ) . A n e s t was b e i n g c o m p l e t e d on 27 May 1976 b u t was empty and abandoned when v i s i t e d l a t e r t h a t y e a r on 1 7 J u n e and 8 J u l y , a l t h o u g h a p a i r was h e a r d d i s t a n t l y on b o t h o c c a s i o n s ( 1 1 8 - 1 2 0 ) .

I n 1 9 7 7 , J . G . G i f f i n o b s e r v e d f o u r n e s t i n g a t t e m p t s on H u a l z l a i Ranch, f o u r f l e d g l i n g s r e s u l t i n g f rom t h r e e o u t o f a t o t a l o f f o u r n e s t s ( 1 4 2 a - e ) . I n 1 9 7 8 , G i f f i n o b s e r v e d a n e s t i n g and r e - n e s t i n g f a i l u r e o f o n e p a i r ( 1 4 2 f , g ) , and p r o d u c t i o n o f two f l e d g l i n g s by a s e c o n d p a i r ( 1 4 2 h ) i n u n d e s c r i b e d l o c a l i t i e s .

P a l a n i Ranch:

lala la r e p r o d u c t i o n on P a l a n i Ranch h a s b e e n m o n i t o r e d s i n c e 1 6 J u n e 1972 when t h r e e o r f o u r a d u l t s w e r e h e a r d and a n e s t was found i n Honokzhau 1 ( 2 1 4 ) . Two p a i r s were h e a r d a t 4200 f e e t e l e v a t i o n o n 4 J u l y when t h e p r e v i o u s l y l o c a t e d n e s t was f o u n d t o b e d e s e r t e d and t h e r e m a i n i n g p a i r was d e t e r m i n e d t o b e w i t h o u t a n e s t ( 2 1 5 ) . A n e s t f ound on 8 J u n e 1973 i n ~ o n o k c h a u 1 a t 4850 f e e t e l e v a t i o n had f l e d g e d o n e y o u n g s t e r by 1 3 J u n e ( 2 1 6 , 2 1 7 ) .

Page 27: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

Two n e s t s , b o t h w i t h two n e s t l i n g s , we re l o c a t e d i n Hono- kbhau 1 i n 1 9 7 4 , o n e a t 4850 f e e t e l e v a t i o n on 3 1 May and t h e o t h e r a t 4650 f e e t e l e v a t i o n on 1 J u n e ( 2 1 9 - 2 2 1 ) . The two young- s t e r s a t 4650 f e e t e l e v a t i o n had f l e d g e d by 26 J u n e and t h o s e a t 4850 f e e t had f l e d g e d by 4 J u l y ( 2 2 2 , 2 2 3 ) . On ly o n e p a i r w i t h a f l e d g l i n g was found d u r i n g a s e a r c h o f t h e same n e s t i n g a r e a s on 1 2 J u n e 1975 ( 2 2 6 - 2 2 9 ) . One n e s t w i t h two f l e d g l i n g s was found on 1 J u l y 1976 a t 4850 f e e t e l e v a t i o n i n Honokshau 1 ( 2 3 1 ) . On 1 0 A u g u s t 1 9 7 6 , a p a i r w i t h o n e j u v e n i l e f rom a n unknown n e s t s i t e , and a n o t h e r p a i r w i t h two y o u n g s t e r s , assumed t o b e t h e same a s t h o s e found 1 J u l y , we re s e e n a t 4000 f e e t e l e v a t i o n i n Honokbhau 1 ( 2 3 4 ) .

I n H o n u a ' u l a T r a c t 2 on P a l a n i Ranch, two p a i r s h a v e a h i s t o r y o f r e p r o d u c t i o n . A p a i r w i t h o n e f l e d g l i n g was s e e n a t 5480 f e e t e l e v a t i o n o n 9 J u n e 1973 and o n c e l a t e r b e f o r e t h e n e s t t e r r i t o r y was found d e s e r t e d o n 27 J u n e ( 2 4 4 - 2 4 6 ) . Two well- d e v e l o p e d n e s t l i n g s found on 26 J u n e 1974 a t 5500 f e e t e l e v a t i o n 0 .4 m i l e e a s t - s o u t h e a s t o f t h e P a l a n i Ranch c a b i n , f l e d g e d on 21 J u l y ( 2 4 7 - 2 4 9 ) . T h i s p a i r was p r e s e n t a g a i n i n 1 9 7 5 , b u t no n e s t was found and t h e a r e a was a p p a r e n t l y abandoned by 14 J u l y ( 2 5 7 , 2 5 8 ) . Nests o r young were n o t e n c o u n t e r e d h e r e d u r i n g 1976 t o 1 9 7 8 . A n o t h e r p a i r n e s t e d a t 5700 f e e t e l e v a t i o n 0 .4 m i l e west o f Lae Koa and was d i s c o v e r e d w i t h o n e o r two n e s t l i n g s on 26 J u n e 1974 , b u t was presumed t o h a v e f a i l e d when t h e n e s t t e r r i t o r y and s u r r o u n d i n g a r e a was found v a c a n t o n 2 1 J u l y ( 2 5 0 , 2 5 1 ) . However, t h e n e s t l i n g ( s ) may h a v e f l e d g e d and moved o u t o f t h e a r e a w i t h t h e p a r e n t s p r i o r t o 21 J u l y . The Lae Koa t e r r i - t o r y was o c c u p i e d by 25 May 1976 b u t no n e s t was l o c a t e d and t h e a r e a was found d e s e r t e d d u r i n g v i s i t s o n 9 J u l y and 11 A u g u s t ( 2 5 4 - 2 5 6 ) . No s u c c e s s f u l n e s t i n g a t t e m p t s we re documen ted h e r e i n 1977 o r 1 9 7 8 .

J . G . G i f f i n m o n i t o r e d P a l a n i Ranch i n 1977 and 1 9 7 8 , ob- s e r v i n g u n s u c c e s s f u l n e s t s b o t h y e a r s ( 2 6 2 a , b ) .

Hznaunau F o r e s t R e s e r v e ( G a s p a r s D a i r y ) :

R e p r o d u c t i o n o f ' ~ l a l s h a s been documented i n Honaunau F o r e s t R e s e r v e s i n c e 1972 when p a r e n t s w i t h a w e l l - d e v e l o p e d f l e d g l i n g was o b s e r v e d 0 .25 m i l e u p s l o p e f rom G a s p a r s D a i r y ( a b a n d o n e d ) on 5 J u l y ( 3 2 9 ) . On 3 May 1 9 7 3 , a n e s t i n g p a i r was l o c a t e d a t 4280 f e e t e l e v a t i o n downs lope f rom G a s p a r s D a i r y ( 3 3 0 ) . A w e l l - d e v e l o p e d n e s t l i n g was d i s c o v e r e d d e a d i n t h e n e s t on 26 May and t h e i n t a c t c a r c a s s was s t i l l p r e s e n t w i t h b o t h p a r e n t s i n t h e t e r r i t o r y on 31 May ( 3 3 1 , 3 3 2 ) . One o f two n e s t l i n g s found i n t h e same a r e a on 24 May 1974 had f l e d g e d by 22 J u n e b u t i t s s i b l i n g was n o t s e e n ( 3 3 3 , 3 3 4 ) . I n 1 9 7 5 , a s i n g l e y o u n g s t e r was f l e d g e d f rom a n unknown n e s t l o c a t i o n and was o b s e r v e d w i t h t h e p a r e n t s a t 4440 f e e t e l e v a t i o n n e a r G a s p a r s D a i r y on 1 9 J u n e and n e a r t h e b o u n d a r y w i t h K e a l a k e k u a on 1 0 A u g u s t ( 3 3 5 , 3 3 6 ) . No ' A l a l z were s e e n o r h e a r d i n t h e same a r e a on 4 J u n e 1 9 7 6 , b u t wha t p r e s u m a b l y was t h e same p a i r s e e n i n 1975 was f o u n d w i t h a f l e d g l i n g a t 4350 f e e t e l e v a t i o n 0 . 3 m i l e n o r t h w e s t o f G a s p a r s D a i r y on 1 4 J u l y ( 3 3 7 , 3 3 8 ) .

Page 28: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

m r ' b r 0 0 r B m r - ' C 0 r t 3 m 3 r n 2 H O r w O O m * w c o w W O ~ r . ( D ( D r D ) - 1 W r - 3 3 ( ~ 4 m o r t c n 4 ~ c - ~ m ~ m o r n o m m r a ~ m b m u l m c r t m m 3 r ~ ~ r r r t r t ~ r m w s a w r t 3 C n T * - a r C C " W C ) (D W P - m a , r t ~ c 1 r r - 4 ~ 3 m a 4 r o r . 3 n, (D O r - m a , % 3 h ) D r u

* L C J ~ P - W m a * r t r m o = I W o r r a , a , r t w c r w r m - - e n w a a 3 'b L C ( D P - C ~ P ( b c a , m C m w T r t r l (D 1 r - 1 o v r r m c w o o \ r - ~ = ~ ( ~ r -

rD 3 r r m m 0 3 r t c h ) m m m 3 ~ ~ n m r m r c l a o c r o r - 3 - m m O P - I D ~ I D O r-a, m a , a3 3 r - u o a 3 o r t - c m 3 3 c r t m r - r - c 0 a r m 3 W n , m r - y r 3 m r t c D m r t Y r - c Z 1 r c C ) ( D O 0 m m ~ P I W cO r - l u = T 0 r t ct rC ' W r t U 2 3 m ~ Z O M E I o c x r - m ~ < o a W m o w r t 3f21-D 3 m r . l O r - m m a , 3 * 1 r . ' d 3 - n, Y O m r r - 3 a O W 3 P I a D m o r m l a m rrt 3 3 c r r - m w a r n

n m PI m a 3 0 ( ~ r t m w r ~ m c 0 - - m a r - r ~ . n o m T (D m X c n c w ( ~ 4 m m m m m a , n o r t o la ctr-1 r - 3 4 1 . 1 3 r - a r t ~ r t c m 0 4 m a, r - ra , 3 a N C r m w a a s u l a 1 1 o o 3 c o r - r r m a W I D r 3 0 1 3 m r r r c m + o --a p l a P - o o r ~ w ( D L C rt o m 2 3

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r t = t m m m a a g n , m c a c m m m w = ' 3 Q m W UI r - c a - w a r . a,+ p r o o m O X r m m 0 r 0 - 3 m r . ~ ~ r t 1

m L C ( D Q a r t a , C r a , 3 - r t G Z m a m c w ~ m a , 3 r t m r t r a m ( D T D P , (D r = 1 3 w m a o a s r - w w m w r m c n a ( D ~ W mar- a x C ( D W a , r t - 4 ~ r t a , c r - m a . w a r - h r r e 7r

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- r - 4 - 0 W - r r 6 ;.& C G L J O V G o r 1 r m m r ~ w t r r t 3 3 ~ 3 0 a , o r r 3 - a , a, T O w 4 0 P-a PI r t r m ~a=r.n,

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Page 29: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

m c a o r ~ r t ,+a 3 w w m 3-3 w m - r 3-w m a - r t m o r r n w o r a

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Page 30: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

y e a r s , n i n e i n 1 9 7 3 ; 1 2 i n 1974 ; e i g h t i n 1975 ; and 11 i n 1 9 7 6 , a r e be1 i e v e d r e p r e s e n t a t i v e o f t h e t o t a l numbers b r e e d i n g t h e n . Cove r ing much t h e same a r e a i n 1977 and 1 9 7 8 , J . G . G i f f i n found n i n e b r e e d i n g p a i r s b o t h y e a r s . C o n s i d e r i n g t h e c u r r e n t r a t h e r nar row e l e v a t i o n a l e x t e n t o f b r e e d i n g r a n g e and t h e l a r g e l y nega- t i v e r e s u l t s o f r e p e a t e d s e a r c h e s o f p o t e n t i a l r a n g e f rom 1972 t o 1978 by t h r e e i n v e s t i g a t o r s , i t is e s t i m a t e d t h a t 7 5 % o r more of t h e t o t a l number o f b r e e d i n g a d u l t s e x t a n t d u r i n g 1 9 7 3 t o 1978 were f o u n d . Annual e f f o r t s t o f i n d e v i d e n c e o f r e p r o d u c t i o n were p r o b a b l y r e l a t i v e l y e f f i c i e n t d u r i n g t h i s p e r i o d b e c a u s e t h e number o f f l e d g l i n g s f rom u n d i s c o v e r e d n e s t s was s m a l l e r t h a n t h e number o f n e s t s f o u n d , and b e c a u s e l a r g e numbers o f immature o r u n s u c c e s s f u l b r e e d e r s were n o t e v i d e n t . A b r e e d i n g p o p u l a t i o n o f a b o u t 1 5 p a i r s is t h e r e f o r e p o s t u l a t e d f o r t h e 1974 t o 1976 p e r i o d , w h i l e p e r h a p s some f ewer were e x t a n t d u r i n g 1977 t o 1978 .

N e s t i n q R e s u l t s

Whi le t h e g o a l s o f t h e b r e e d i n g s t u d y were o r i g i n a l l y d i r e c t e d more toward d e t e r m i n i n g s u c c e s s i n f l e d g i n g young t h a n i n l e a r n i n g d e t a i l s o f r e p r o d u c t i v e b i o l o g y , no o p p o r t u n i t y was l o s t t o c o l l e c t o t h e r i n f o r m a t i o n of p o t e n t i a l o r n i t h o l o g i c a l o r management v a l u e . N e s t i n g r e s u l t s , w i t h r e f e r e n c e o f e a c h o b s e r - v a t i o n t o t h e a p p r o p r i a t e r e c o r d i n Appendix I , is p r e s e n t e d i n T a b l e 1. Because n e s t s were o n l y o c c a s i o n a l l y m o n i t o r e d , t h e t e rm " f l e d g l i n g " a s used i n T a b l e 1 and e l s e w h e r e is a p p l i e d t o we l l -deve loped n e s t l i n g s which may n o t h a v e been c o m p l e t e l y i n d e p e n d e n t o f t h e n e s t a s w e l l a s t h o s e p e r h a p s a w e e k o r two o l d e r and c a p a b l e o f s h o r t s u s t a i n e d f l i g h t s .

E l e v a t i o n a l Range of Nests:

The e l e v a t i o n of 60 n e s t s l i s t e d i n T a b l e 1 ranged from a b o u t 2400 t o 5700 f e e t above s e a l e v e l , a v e r a g i n g 4450 f e e t . The 1 5 f l e d g l i n g s produced from 1 2 u n l o c a t e d n e s t s were d i s - c o v e r e d a t e l e v a t i o n a l r a n g e s from 4000 t o 5400 and a v e r a g i n g a b o u t 4700 f e e t above sea l e v e l . J u d g i n g from P e r k i n s ' ( 1 8 9 3 ) o b s e r v a t i o n s i n t h e 1 8 9 0 t s , t h e m a j o r i t y o f t h e p o p u l a t i o n t h e n e x t a n t a r e presumed t o have b r e d be tween 1700 and 3000 f e e t e le- v a t i o n . Most o f t h e s e l ower f o r e s t s have s i n c e b e e n h i g h l y a l t e r e d by a g r i c u l t u r a l a c t i v i t i e s and a r e g e n e r a l l y u n a v a i l a b l e o r u n s u i t a b l e f o r f e e d i n g o r b r e e d i n g t o d a y .

S i t e S e l e c t i o n :

The t e n d e n c y o f ' ~ l a l z t o r e t u r n t o t r a d i t i o n a l n e s t i n g a r e a s i s w e l l documented by t h e p r o d u c t i o n h i s t o r i e s c i t e d i n Appendix I . A t r e e n e a r t h e p r e v i o u s y e a r ' s n e s t s i t e was usu- a l l y s e l e c t e d i n s u c c e e d i n g y e a r s . I t is n o t known what f a c t o r s d e t e r m i n e s e l e c t i o n o f n e s t s i t e s by p a i r s b r e e d i n g f o r t h e i r f i r s t time, b u t p o s s i b l y t h e y c h o o s e a s i t e i n o r n e a r t h e t e r r i - t o r y i n which one o r t h e o t h e r was r e a r e d .

Page 31: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

TABLE 1. Summary r e s u l t s o f n e s t i n g , 1964-1978.

N e s t B r e e d i n g S i t e N e s t Date o f O b s e r v a t i o n Number E l e v . Record A t t e m p t s E l e v . C o n t e n t s Mar Apr May J u n J u l Au9 F l e d g e d Obse rved Nos.

5 e g g s 4/12 26 1 2 , ( 2 6 )

u n o b s e r v a b l e

u n o b s e r v a b l e

u n o b s e r v a b l e

none 6/26

1 n e s t l i n g a t l e a s t , 6/29

u n o b s e r v a b l e

1 e g g a t l e a s t , 6/20

u n o b s e r v a b l e

no n e s t f o u n d

u n o b s e r v a b l e

1

0 - S u b t o t a l 2

0

0

1 4500

0 - S u b t o t a l 1

Page 32: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

\D 03 4 m I I l l 4 -4 -4 4 W W W W

W A W N 1 1 1 1 4 4 4 4 W W W W

I-' I 4 W

3 (D rn rt I-' P . I s rn

W I-'

- y r + I-'. +' m- . - I- ' W 0 0 V .

I-' N . N W

I-' h) . h

N m Y

m I-' . n

I-' W V

- -I-' I-' N y r & N I V Y *

W - . & n V

I-' yr -

h

I-' 0 Y

A W W W N N P I - ' w m w W r P I - ' L n W I b I p l o o b P m o I - ' I . I . I I A W W h ) w + ' P rP W P y r W 4 0 N 4 W W

Page 33: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

TABLE 1--Cont inued. N 00

N e s t B r e e d i n g S i t e N e s t Da te o f O b s e r v a t i o n Number E l e v . Record A t t e m p t s E l e v . C o n t e n t s Mar Apr May J u n J u l Aug F ledged Observed Nos.

2 n e s t l i n g s

1 o r 2 n e s t l i n g ( s )

2 n e s t l i n g s

unobse rved

unobse rved

3 e g g s

no n e s t found

1 n e s t l i n g

1 f l e d g l i n g

1 f l e d g l i n g

2 f l e d g l i n g s

no n e s t found

2 f l e d g l i n g s

1 f l e d g l i n g

2 4 ( 2 2 )

25 ( 2 2 )

26 ( 2 7 )

1 0 ( 2 3 )

S u b t o t a l

1 7

17 ( 1 2 )

( 1 3 )

( 1 2 )

( 1 8 )

1 9

( 1 9 ) 6 , 7

( 8 )

S u b t o t a l

Page 34: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

1-76 4580 u n o b s e r v e d

2-76 ---- no n e s t f o u n d

3-76 ---- no n e s t f o u n d

4-76 4920 none

5-76 3580 1 n e s t l i n g

6-76 4850 2 f l e d g l i n g s

7-76 ---- no n e s t f o u n d

8-76 ---- no n e s t f o u n d

9-76 ---- no n e s t f o u n d

10-76 ---- no n e s t f o u n d

11-76 4920 u n o b s e r v e d

1-77 ---- no n e s t f o u n d

2-77 3500 u n o b s e r v e d

3-77 4550 u n o b s e r v e d

4-77 4640 u n o b s e r v e d ( r e n e s t )

5-77 5000 u n o b s e r v e d

6-77 5050 u n o b s e r v e d

1

1

1

1

1 - S u b t o t a l 11

2

1

0

Page 35: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

TABLE 1- -Cont inued . W

N e s t B r e e d i n g S i t e Nest Date of O b s e r v a t i o n Number E l e v . Record A t t e m p t s E l e v . C o n t e n t s Mar Apr May J u n J u l Aug F l e d g e d Obse rved No.

u n o b s e r v e d

u n o b s e r v e d

u n o b s e r v e d

u n o b s e r v e d

1 a d u l t 2 1 5 , 1 3 5 on n e s t 1 3 Apr

u n o b s e r v e d 1 0 , 2 2 ( r e n s e t )

2 n e s t l i n g s 1 0 May 5 , 1 3 1 0 , 2 2 8 * ( 1 5 )

1 a d u l t 23 1 7 ( 2 1 ) on n e s t 1 7 Apr

1 n e s t l i n g 22 1 7 24 1 4 , 24 May ( 2 1 ) *

1 a d u l t 1 7 ( 2 4 ) o n n e s t 1 7 Apr

1 n e s t l i n g 26 1 6 ( 2 0 ) 1 6 May

1 1 4 2 e

1 372b

1 346a

1 - 3 4 6 b

S u b t o t a l 9

0 142 f

0 1429

2 142h

372c

372d

372e

262c

Page 36: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

8-78 4 5 0 0 1 a d u l t on n e s t 2 May

9-78 4 2 2 0 1 a d u l t on n e s t 3 May

10-78 4 2 2 0 unobserved ( r e n e s t )

11-78 4 5 0 0 unobserved 0 -

S u b t o t a l 6

T o t a l . .. 58

( ) = d a t e when f l e d g l i n g ( s ) f i r s t observed o r n e s t found d e s e r t e d * = f l e d g l i n g s a l v a g e d f o r p r o p a g a t i o n

Page 37: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

S e a s o n a l P a r a m e t e r s o f N e s t i n g :

The a d v e n t and sequence o f e g g - l a y i n g c a n n o t b e d a t e d f o r c e r t a i n w i t h o u t d a i l y m o n i t o r i n g o f n e s t s - - a n i m p r a c t i c a l t a s k i n t h i s s t u d y f o r many r e a s o n s . ~ n i t i a t i o n , t e r m i n a t i o n , and a v e r - a g e d a t e s o f e g g - l a y i n g may n e v e r t h e l e s s b e r o u g h l y c a l c u l a t e d from a few d a t a on i n c u b a t i o n p e r i o d and n e s t l i n g deve lopmen t found i n T a b l e 1 and Appendix I .

One n e s t w i t h f o u r e g g s found on 1 2 May r e s u l t e d i n two downy n e s t l i n g s by 1 J u n e ( 1 9 d a y s ) and t h e f l e d g i n g of b o t h on 10 J u l y ( 3 9 d a y s ) , y i e l d i n g a t o t a l p e r i o d from p o s s i b l e i ncep - t i o n o f i n c u b a t i o n t o f l e d g i n g o f a t l e a s t 58 d a y s ( 1 5 0 - 1 5 3 ) . Us ing s i m i l a r a s s u m p t i o n s f o r d a t a c o l l e c t e d by J . G . G i f f i n ( 1 4 2 h ) a p e r i o d o f from 56 t o 6 3 d a y s may be i n f e r r e d . An a p p r o x i m a t e p e r i o d o f t i m e f rom h a t c h i n g t o f l e d g i n g c a n be c a l - c u l a t e d from a n e s t (414-417) where a h a t c h l i n g and one egg were p r e s e n t on 11 May, and t h e s i n g l e s u r v i v i n g o f f s p r i n g was v e r y c l o s e t o l e a v i n g t h e n e s t on 22 J u n e ( 4 3 d a y s e l a p s e d ) . These f i g u r e s f a l l w i t h i n t h e r a n g e f o r o t h e r Corvus s p e c i e s g i v e n by Goodwin ( 1 9 7 6 ) where t h e normal i n c u b a t i o n p e r i o d is 1 8 . 5 d a y s ( 1 6 - 2 2 ) ; t h e normal n e s t l i n g p e r i o d i s 37 .5 d a y s ( 3 0 - 4 5 ) ; and t h e combined i n c u b a t i o n and n e s t l i n g p e r i o d is 56 d a y s ( 4 7 - 6 5 ) .

I n c a l c u l a t i n g b r e e d i n g s e a s o n p a r a m e t e r s f rom a p r o j e c t i o n o f d a t a which i n c l u d e d a y s r e q u i r e d f o r deve lopmen t o f n e s t l i n g s , i t i s w e l l t o r e c o g n i z e t h a t a s h o r t e r p e r i o d of t i m e may be needed t o f l e d g e o n e r a t h e r t h a n s e v e r a l n e s t l i n g s . The a v e r a g e d a t e of f l e d g i n g one n e s t l i n g i n t h e 21 examples c i t e d i n T a b l e 1 was 22 J u n e , w h i l e t h e a v e r a g e d a t e o f f l e d g i n g two young from 1 2 n e s t s was 28 J u n e . The mean f l e d g i n g d a t e o f a l l 33 n e s t s was 25 J u n e .

Using a mean p e r i o d o f 60 d a y s f rom t h e a d v e n t o f i n c u b a t i o n t o f l e d g i n g and a n a v e r a g e f l e d g i n g d a t e o f 25 J u n e , e g g - l a y i n g i n a n a v e r a g e fou r -egg c l u t c h would b e g i n on a b o u t 23 A p r i l , as- suming one egg is l a i d e a c h d a y a f t e r i n c e p t i o n . Us ing e x t r e m e s o f e a r l y and l a t e f l e d g i n g d a t e s l i s t e d i n T a b l e 1 (6-73 , 8 - 7 5 ) , t h e i n i t i a t i o n o f e g g - l a y i n g may be i n f e r r e d t o o c c u r a s e a r l y a s 24 March t o a s l a t e a s 5 J u n e , a s p r e a d o f n e a r l y 2 .5 months ( 7 2 d a y s ) .

N e s t i n q S u c c e s s :

Of 72 known n e s t i n g a t t e m p t s documented i n T a b l e 1, 44 ( 6 1 % ) were s u c c e s s f u l and 25 ( 3 5 % ) f a i l e d , w h i l e r e s u l t s o f t h r e e n e s t s (3 -74 , 8-74, 11-74) were unknown. A s shown i n T a b l e 2 , 30 ( 6 8 % ) of t h e s e s u c c e s s f u l n e s t i n g a t t e m p t s r e s u l t e d i n t h e p r o d u c t i o n o f o n e f l e d g l i n g and 1 4 ( 3 2 % ) y i e l d e d two f l e d g l i n g s f o r a t o t a l o f 58 f l e d g l i n g s , o r 1 . 3 2 f l e d g l i n g s p e r s u c c e s s f u l n e s t and 0.84 f l e d g l i n g f o r t h e 69 n e s t a t t e m p t s where t h e r e s u l t s were known.

Page 38: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

TABLE 2. N e s t i n g s u c c e s s ( % I .

T o t a l Known Nests Nests Nests R e s u l t s Nest A t t e m p t s Found Not Found Unknown

S u c c e s s f u l

F l e d g e d 1

F l e d g e d 2

T o t a l F l e d g e d

F l e d g l i n g s P e r S u c c e s s f u l N e s t

F l e d g l i n g s P e r T o t a l N e s t Attempts

U n s u c c e s s f u l

Page 39: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

Of t h e 57 n e s t s l o c a t e d where t h e p r o d u c t i o n r e s u l t s were known, 32 ( 6 6 % ) were s u c c e s s f u l and 25 ( 4 4 % ) f a i l e d . Twenty-one ( 6 6 % ) of t h e s e n e s t s p roduced one f l e d g l i n g e a c h and 11 ( 3 4 % ) y i e l d e d two f l e d g l i n g s e a c h f o r a t o t a l o f 43, o r 1 .34 f l e d g - l i n g s p e r s u c c e s s f u l n e s t and 0 .75 f l e d g l i n g f o r a l l 57 n e s t s ( T a b l e 2 ) .

Nine ( 7 5 % ) o f t h e n e s t s which were n o t l o c a t e d produced one f l e d g l i n g e a c h and t h r e e ( 2 5 % ) y i e l d e d two f l e d g l i n g s e a c h f o r a t o t a l o f 1 5 , o r 1 . 2 5 f l e d g l i n g s p e r n e s t i n g e f f o r t ( T a b l e 2 ) . P a i r s which n e s t e d u n s u c c e s s f u l l y and whose n e s t i n g e f f o r t s were n o t d e t e c t e d a r e n o t i n c l u d e d i n t h i s a n a l y s i s , b u t i f t h e y c o u l d h a v e been , f i g u r e s f o r t h e number o f f l e d g l i n g s p e r n e s t a t t e m p t would b e lower t h a n t h o s e g i v e n h e r e .

The 58 f l e d g l i n g s r e c o r d e d i n T a b l e 1 were produced d u r i n g 1970 t o 1 9 7 8 , a s f o l l o w s : 1970 ( 2 ) ; 1 9 7 1 ( 0 ) ; 1972 (1); 1973 ( 8 ) ; 1974 (1) ; 1975 ( 1 0 ) ; 1976 (11); 1977 ( 9 ) ; 1978 ( 6 ) .

O b s e r v e r I n f l u e n c e on N e s t i n q S u c c e s s :

I n m o n i t o r i n g n e s t i n g s u c c e s s i t was e a r l y s u s p e c t e d t h a t r e a c t i o n o f n e s t i n g p a i r s t o o b s e r v e r p r e s e n c e m i g h t b e an ad- v e r s e i n f l u e n c e . The a p p e a r a n c e o f f l e d g l i n g s f rom u n d i s c o v e r e d n e s t s l a t e i n t h e b r e e d i n g s e a s o n s o f 1 9 7 2 , 1 9 7 3 , and 1 9 7 4 , and e s p e c i a l l y i n 1975 and 1976 , added t o s u s p i c i o n s t h a t e a r l y s e a - s o n d i s r u p t i o n s m i g h t be p a r t i c u l a r l y i n i m i c a l .

A n a l y s i s o f f i r s t v i s i t s t o t h e 57 n e s t s w i t h h i s t o r i e s by semi-monthly p e r i o d would seem t o c o n f i r m t h e s e e a r l y impres- s i o n s ; however , d a t e s o f f i r s t v i s i t s t o n e s t t e r r i t o r i e s were n o t a l w a y s r e c o r d e d , and t h o s e g i v e n i n Appendix I may i n d i c a t e when n e s t s were f i r s t found r a t h e r t h a n when t e r r i t o r i e s were f i r s t v i s i t e d . Of 11 n e s t s f i r s t v i s i t e d f rom l a t e March t h r o u g h l a t e A p r i l , o n l y f o u r ( 3 6 % ) were s u c c e s s f u l i n f l e d g i n g young. Only f i v e ( 5 0 % ) o f 10 n e s t s f i r s t v i s i t e d i n e a r l y May were suc - c e s s f u l . T h e r e a f t e r , however, t h e s u c c e s s r a t e o f n e s t s v i s i t e d by semi-monthly p e r i o d r o s e s t e a d i l y , as e x a m i n a t i o n of d a t a i n T a b l e 1 w i l l r e v e a l . Numbers, and p e r c e n t a g e s o f s u c c e s s f u l n e s t s by semi-monthly f i r s t v i s i t s , a r e a s f o l l o w s : t h r e e ( 3 3 % ) o f n i n e n e s t s i n l a t e May; 1 0 ( 6 7 % ) of 1 5 n e s t s i n e a r l y J u n e ; e i g h t ( 8 0 % ) o f 1 0 n e s t s i n l a t e J u n e ; and two ( 1 0 0 % ) of two n e s t s i n J u l y and Augus t . Thus , o f 30 n e s t s f i r s t v i s i t e d b e f o r e 1 J u n e o n l y 1 2 ( 4 0 % ) were s u c c e s s f u l , w h i l e 20 ( 7 4 % ) of 27 n e s t s f i r s t v i s i t e d a f t e r 1 J u n e f l e d g e d young. T h e r e d o e s n o t , how- e v e r , a p p e a r t o be a c o r r e l a t i o n be tween number o f v i s i t s p a i d t o a n e s t and n e s t i n g s u c c e s s . Of 22 n e s t f a i l u r e s n i n e were known t o have been v i s i t e d t w i c e , n i n e t h r e e times, and f o u r more t h a n t h r e e times.

Obse rve r p r e s e n c e a t n e s t s e a r l y i n t h e b r e e d i n g s e a s o n would t end t o o c c u r e a r l i e r i n t h e b r e e d i n g c y c l e o f most p a i r s - - e s p e c i a l l y d u r i n g o r b e f o r e n e s t c o m p l e t i o n , e g g - l a y i n g , and e a r l y incuba t ion- -when d e s e r t i o n o f t h e n e s t m i g h t b e e x p e c t e d t o o c c u r more f r e q u e n t l y t h a n i f t h e f i r s t v i s i t had o c c u r r e d a f t e r a b o u t t h e f i r s t w e e k o f i n c u b a t i o n .

Page 40: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

The a p p a r e n t r e l a t i o n s h i p be tween o b s e r v e r p r e s e n c e and n e s t i n g s u c c e s s i s , however , q u a l i f i e d by f a c t o r s n o t c o n s i d e r e d i n t h e s t u d y . ~ o s t n e s t i n g s i t e s a r e l o c a t e d i n a r e a s v i s i t e d w i t h v a r y i n g f r e q u e n c y by r a n c h e r s , p i g h u n t e r s , f o r e s t e r s , l a n d m a n a g e r s , and o t h e r s . No a t t e m p t was made t o g a t h e r i n f o r m a t i o n o n f r e q u e n c y and d u r a t i o n o f a l l s u c h p o s s i b l e d i s t u r b a n c e f a c - t o r s . I t i s a l s o p o s s i b l e t h a t t h e r a t e o f n e s t i n g s u c c e s s i n c r e a s e s a s t h e b r e e d i n g s e a s o n p r o g r e s s e s f o r r e a s o n s t h a t d o n o t i n v o l v e g r e a t e r human d i s t u r b a n c e e a r l i e r i n t h e s e a s o n . For example , food a v a i l a b i l i t y may i n c r e a s e l a t e r i n t h e b r e e d i n g s e a s o n .

I n any c a s e , t h e c i r c u m s t a n t i a l e v i d e n c e s u g g e s t s t h a t human p r e s e n c e n e a r t h e n e s t e a r l y i n t h e b r e e d i n g s e a s o n p o s e s a n un- n a t u r a l r i s k t o n e s t i n g s u c c e s s . Measu res t a k e n t o r e s t r i c t o r r e d u c e human a c t i v i t y i n known o r s u s p e c t e d n e s t t e r r i t o r i e s d u r i n g A p r i l and May s h o u l d s i g n i f i c a n t l y i n c r e a s e f l e d g l i n g p r o d u c t i o n .

C l u t c h - s i z e , H a t c h i n q , and F l e d q i n q S u c c e s s :

On o n l y f o u r o c c a s i o n s were t h e number o f e g g s p o s s i b l y r e p r e s e n t a t i v e o f maximum c l u t c h - s i z e d e t e r m i n e d (1-64, 2-73, 8-73, 1 2 - 7 4 ) . The number o f e g g s o b s e r v e d i n e a c h c a s e was f i v e , f o u r , t h r e e , and two ( i n c l u d i n g one h a t c h l i n g ) - - y i e l d i n g an a v e r - a g e c l u t c h - s i z e o f 3.5 e g g s p e r n e s t . Based o n i n f o r m a t i o n found i n Goodwin ( 1 9 7 6 ) , t h e mean c l u t c h - s i z e f o r 22 o t h e r s p e c i e s o f C o r v u s is 4.2 ( T a b l e 3 ) .

Two e g g s were known t o have h a t c h e d and b o t h young f l e d g e d f rom t h e fou r -egg n e s t , one egg was known t o h a v e h a t c h e d and t h e y o u n g s t e r f l e d g e d from t h e two-egg n e s t , w h i l e no e g g s h a t c h e d i n t h e t h r e e - and f i v e - e g g n e s t s . I t i s u n c e r t a i n w h e t h e r o r n o t t h r e e e g g s which a r e unaccounted f o r i n t h e f o u r - and two-egg n e s t s h a t c h e d b e c a u s e t h e n e s t s were n o t m o n i t o r e d f r e q u e n t l y enough t o d e t e r m i n e t h e i r f a t e s . One egg from t h e t h r e e - e g g n e s t w a s d e t e r m i n e d t o be i n f e r t i l e ( n o t r a c e o f b l o o d o r embryo) when it b r o k e a f t e r c o l l e c t i o n . The 14 e g g s t h u s r e s u l t e d i n a t o t a l o f o n l y t h r e e f l e d g l i n g s f o r a n a p p a r e n t h a t c h i n g and f l e d g i n g r a t e o f 21%. F i g u r e s c i t e d on a v e r a g e c l u t c h - s i z e , h a t c h a b i l i t y , and f l e d g l i n g p r o d u c t i o n a r e based on a s m a l l s a m p l e s i z e and s h o u l d t h e r e f o r e b e r e g a r d e d a s p r e l i m i n a r y .

S u r v i v a l o f F l e d q l i n g s

The f l e d g l i n g s u r v i v a l r a t e and t h e a g e a t which n e s t i n g is i n i t i a t e d is b e i n g s t u d i e d by r e s i g h t i n g i n d i v i d u a l s which were marked w i t h a u n i q u e c o m b i n a t i o n o f s e r i a l l y numbered aluminum and c o l o r e d p l a s t i c l e g bands . T h r e e f l e d g l i n g s were banded i n 1 9 7 3 , s i x i n 1974 , and s e v e n i n 1975. None were marked i n 1976 d u e t o f a i l u r e o f t h e U. S. F i s h and W i l d l i f e S e r v i c e t o p r o v i d e t h e n e c e s s a r y b a n d i n g p e r m i t i n t i m e . Two f l e d g l i n g s marked i n 1977 r a i s e d t h e t o t a l number banded by t h e a u t h o r s t o 1 8 . Unused b a n d s were g i v e n t o J. G. G i f f i n who banded o n e i n 1977 and two i n 1978 . I n f o r m a t i o n on r e s i g h t i n g s o f banded f l e d g l i n g s , i n - c l u d i n g t h o s e marked and s i g h t e d by G i f f i n , is g i v e n i n T a b l e 4 .

Page 41: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

TABLE 3. Clutcksize, incubation, an3 nestling period of Corvus. - (Data f r m Goodwin 1976--except canbined incubation & nestling period.)

- -

Combined Species Clutch Incubation Nestling Incubation and

Size Per iod Period Nestling Per i d (Days) (Days) (Days )

Corvus monedula

C. frugilequs -

C. brachyrhynchos

C . ossif r aqus -

C. macrorhynchos - C. enca - - C. orru - -

C. coronoides - C. mellori - C. t r i s t i s - C. moneduloides

C. corone - C. torquatus - C. capensis -

C . ruf icol l is - cryptoleucos

C. rhipidurus - C. albicollis -

Mean (Range)

Page 42: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

TABLE 4 . P o s t - r e l e a s e s i g h t i n g s o f b a n d e d f l e d g l i n g s .

Band S e r i a l L o c a t i o n , R e s i g h t i n g s : R e f e r e n c e Nos. E l e v a t i o n , Date Banded Date, D i s t a n c e , D i r e c t i o n , E l e v a t i o n S o u r c e s

0 . 4 0 m i l e SE P a l a n i R. ' c a b i n ; 5 4 8 0 ; 9 J u n 7 3

1 3 J u n 7 3 ; n e a r n e s t

0 . 5 0 m i l e WNW P a l a n i R. c a b i n ; 4 8 5 0 ; 1 3 J u n 7 3

28 J u n 7 3 ; 0 . 2 0 mile W N W ; 2 5 S e p 7 4 ; 0 .80 m i l e W ; 3900 1 2 O c t 7 4 ; 0 .80 mile W; 3900 1 0 J a n 7 6 ; 0 .60 mile NE; 5600

1 . 3 0 miles ENE R a d i o R . S t a t i o n ; 3 4 4 0 ; 11 J u l 7 3

- None -

0 . 5 0 m i l e WNW P a l a n i R. c a b i n ; 4 8 5 0 ; 4 J u l 7 4

25 S e p 7 4 ; 0 . 7 5 m i l e W S W ; 3900 1 , 2 O c t 7 4 ; 0 .75 mile WSW; 3900

0 . 4 0 m i l e ESE P a l a n i R. c a b i n ; 5 5 0 0 ; 4 J u l 7 4

- None -

0 . 4 0 m i l e ESE P a l a n i R. c a b i n ; 5 5 0 0 ; 4 J u l 74

9 J a n 7 6 ; 1 . 2 0 miles N ; 5640

1 . 5 0 m i l e N ~ a ' G p Z l e h u c r a t e r ; 4 6 6 0 ; 4 J u l 74

2 O c t 7 4 ; n e a r n e s t

1 . 5 0 mile N ~ a ' 1 p ; l e h u c r a t e r ; 4 6 6 0 ; 4 J u l 74

2 O c t 7 4 ; n e a r n e s t

0 . 5 0 m i l e ESE H a l e p i u l a R a i n s h e d ; 4 6 8 0 ; 1 5 J u l 7 4

9 O c t 7 4 ; 0 . 2 0 mile W N W ; 4680

Page 43: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

TABLE 4--Con t i n u e d .

Band S e r i a l L o c a t i o n , R e s i g h t i n g s : R e f e r e n c e

Nos. E l e v a t i o n , Date Banded D a t e , D i s t a n c e , D i r e c t i o n , E l e v a t i o n S o u r c e s

0 .65 m i l e WNW P a l a n i R. c a b i n ; 4650; 1 2 J u n 7 5

1 . 3 0 miles ENE R a d i o R. S t a t i o n ; 3480 ; 1 3 J u n 7 5

0 .30 m i l e ESE H a l e p i u l a R a i n s h e d ; 4680 ; 1 7 J u n 7 5

0 .40 m i l e W o f L a e Koa; 5700 ; 1 8 J u l 7 5

0 .40 mile W o f L a e Koa; 5700 ; 1 8 J u l 7 5

1 . 0 0 mile SSW B i g H i l l Camp; 4760; 1 9 J u n 7 5

1 6 0.80 mile WSW Hooper Camp; 4920 ; 8 Aug 7 5

- None -

2 Aug 7 5 ; 2 .25 miles S ; 3900

1 2 J u l 7 5 ; 1 . 8 0 miles E ; 4700 26 O c t 7 7 ; 4 .20 miles SW; 3400

- None -

- None -

6 Aug 75 ; 0 .30 m i l e NE; 4950 7 Aug 7 5 ; 1 . 0 0 m i l e S ; 4800

1 5 J u l 7 6 ; 0 .50 m i l e SE; 4920 25 J a n 7 7 ; 0 .80 m i l e E ; 5300

9 J a n 78 ; 1 . 5 0 miles S ; 4940 1 0 J a n 7 8 ; 1 . 0 0 mile S ; 5150 1 7 Apr 78 ; 1 . 0 0 mile S ; 4900 2 1 J u n 7 8 ; 2 .20 miles S ; 4830

- None -

1 7 No i n f o r m a t i o n - None -

Page 44: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

No i n f o r m a t i o n

0 .60 mile W S W H o o p e r Camp; 5 0 7 0 ; 24 J u n 7 7

0 . 6 0 m i l e W S W H o o p e r Camp; 5 0 7 0 ; 24 J u n 7 7

No i n f o r m a t i o n

N o i n f o r m a t i o n

No i n f o r m a t i o n

No i n f o r m a t i o n

No i n f o r m a t i o n 5 0 5 0 ; 2 8 Apr 7 7

- None - - None -

9 J a n 7 8 ; 1 . 9 0 miles N ; 4940 3 8 3 a , ( 2 2 ) 1 0 J a n 7 8 ; 2 .00 miles N ; 5 1 5 0

- None - - None - - None - - None -

2 Nov 7 7 ; 0 . 2 0 mile N ; 4800 1 6 May 7 8 ; 2 .20 miles S; 4440

Page 45: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

While r e s u l t s o f t h e f l e d g l i n g s u r v i v a l s t u d y a r e n o t y e t f i n a l , some p r e l i m i n a r y c o n c l u s i o n s c a n b e drawn. A s one m i g h t e x p e c t , c h a n c e s o f s i g h t i n g a marked b i r d d e c r e a s e d w i t h t h e p a s s a g e o f time.

Of 1 8 f l e d g l i n g s marked f rom 1973 t o 1 9 7 7 , n i n e ( 5 0 % ) were s e e n a g a i n t h e same c a l e n d a r y e a r and s i x ( 3 3 % ) were s i g h t e d a g a i n i n t h e f o l l o w i n g y e a r . Seven ( 3 9 % ) were n o t s e e n f o l l o w i n g m a r k i n g .

By 1978 a t o t a l o f o n l y 1 6 i n d i v i d u a l s had been marked l o n g enough t o e n a b l e s i g h t i n g s o f b i r d s i n t h e s econd and t h i r d y e a r s f o l l o w i n g f l e d g i n g . Of t h e s e 1 6 , o n l y t h r e e ( 1 9 % ) were s e e n i n t h e i r s e c o n d , and o n l y two ( 1 2 . 5 % ) i n t h e i r t h i r d y e a r . None of n i n e b i r d s which m i g h t t h e o r e t i c a l l y be s i g h t e d i n t h e f o u r t h y e a r f o l l o w i n g band ing were s e e n , and none o f t h r e e which m i g h t h a v e l i v e d f i v e y e a r s a £ t e r mark ing were s i g h t e d .

One marked b i r d was o b s e r v e d 4 . 2 miles away from t h e s i t e o f b a n d i n g , w h i l e t h e r e m a i n i n g 17 have a l l been s e e n w i t h i n 2 .5 mi les ( u s u a l l y w i t h i n 1 m i l e ) of t h e n e s t i n which t h e y were r a i s e d .

J u v e n i l e ' ~ l a l z have b e e n n o t e d begg ing a d u l t s f o r food l o n g a f t e r f l e d g l i n g independence m i g h t b e assumed, 20 December i n one c a s e ( 5 4 ) and even a s l a t e a s 1 5 J u l y ( 3 7 1 ) - - a y e a r a f t e r h a t c h - i n g , s t r o n g l y s u g g e s t i n g t h a t a v a i l a b i l i t y o f food may b e a n a d v e r s e f a c t o r i n f l u e n c i n g s u r v i v a l o f f l e d g l i n g s , j u v e n i l e s , and immatures .

No banded b i r d s a r e known t o have formed p a i r s o r n e s t e d .

F l e d g l i n q S a l v a g e - C a p t i v e B r e e d i n q

' A l a l s judged t o have a s u r v i v a l h a n d i c a p were c a p t u r e d and p l a c e d i n t h e Hawaii V o l c a n o e s N a t i o n a l P a r k r e s e a r c h a v i a r y . Two f l e d g l i n g s e x h i b i t i n g pox l e s i o n s on and a round t h e b i l l were r e t r i e v e d from n e s t s i n a d j a c e n t t e r r i t o r i e s on H u a l z l a i Ranch on 1 9 J u n e 1970. A f t e r a t t e n t i v e c a r e and r e c o v e r y from pox symp- toms , t h e s e b i r d s were a i r s h i p p e d on 3 Augus t 1970 t o P a t u x e n t W i l d l i f e R e s e a r c h C e n t e r , L a u r e l , Maryland. One e x p i r e d s h o r t l y a f t e r a r r i v a l , p r e sumab ly f rom s h i p p i n g s h o c k , and t h e o t h e r d i e d on 1 O c t o b e r 1973 f rom p r i m a r y p a t h o l o g y i n t h e c i r c u l a t o r y s y s - tem which o r i g i n a t e d from unknown c a u s e s .

T h r e e f l e d g l i n g s were s i m i l a r l y s a l v a g e d i n 1973 , o n e w i t h a heavy i n f e s t a t i o n o f N o r t h e r n Fowl Mites ( O r n i t h o n y s s u s s y l v i - a r u m ) , and two found f l i g h t l e s s on o r n e a r t h e g round . T h e s e t h r e e y o u n g s t e r s were r a i s e d s u c c e s s f u l l y i n t h e P a r k a v i a r y . BY September 1 9 7 5 , a y e a r l a t e r t h a n f o r some c o r v i d s , t h e t o n g u e s and mouth l i n i n g s o f t h e s e b i r d s began t o change from t h e p i n k c o l o r o f immatu res t o t h e b l a c k t y p i c a l o f a d u l t s (Rea & K a n t e e n a 1 9 6 8 ) . Under o r d e r s f rom t h e U . S . F i s h and W i l d l i f e S e r v i c e , a l l t h r e e b i r d s were t r a n s f e r r e d t o t h e Hawaii S t a t e D i v i s i o n o f F i s h and Game's f a c i l i t y a t Pbhaku loa f o r c a p t i v e b r e e d i n g pur - p o s e s e a r l y i n F e b r u a r y 1976 .

Page 46: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

J . G . G i f f i n ( 1 9 7 7 6 1978 r e p o r t s ) c a p t u r e d t h r e e f l e d g - l i n g s f rom t h e w i l d i n 1977 and a n a d d i t i o n a l t h r e e i n 1978 f o r Hawai i S t a t e D i v i s i o n o f F i s h and Game t o augment b r e e d i n g s t o c k s e c u r e d from t h e N a t i o n a l P a r k S e r v i c e (E. Kosaka , p e r s . comm.) ( T a b l e 1 ) . Two o f t h e t h r e e a d u l t s r e s u l t i n g from t h e 1973 c a p t u r e s formed a p a i r and n e s t e d i n 1977 and 1978 . The p a i r e d f e m a l e d i e d i n 1978 of an i n t e r n a l b a c t e r i a l i n f e c t i o n o f a t y p e c a u s e d by C l o s t r i d i u m p u r s i n g e n s ( E . Kosaka , p e r s . comm; f . N e i t h e r n e s t i n g e f f o r t r e s u l t e d i n c l e a r l y a p p a r e n t c o n c l u s i o n s .

P r e v i o u s t o t h e f o r e g o i n g , a n i n d i v i d u a l o b t a i n e d from a n e s t i n Honomalino by a P U ' uwa 'awa 'a Ranch employee on 4 J u n e 1954 was s e n t t o t h e Honolu lu Zoo where i t was m a i n t a i n e d u n t i l 1 4 September 1 9 6 1 when i t d i e d o f p a r a s i t i c g a s t r o e n t e r i t i s J . L. Throp , P. L . Breese, R . Hind, p e r s . comm.). A d i s a b l e d ' A l a l Z was r e c e i v e d by t h e Hono lu lu Zoo o n 28 Augus t 1958 b u t i t d i e d o f u n r e c o r d e d c a u s e s two d a y s l a t e r ( J . L. T h r o p , P. L . B r e e s e , p e r s . comm.).

T o t a l P o p u l a t i o n S i z e

E a r l y o b s e r v e r s l e f t i m p r e s s i o n s o f p o p u l a t i o n s i z e i n t h e form of g e n e r a l s t a t e m e n t s r a t h e r t h a n numbers . T h a t s u b s t a n - t i a l numbers e x i s t e d i n a b o u t 250 s q u a r e mi les o f h a b i t a t i n t h e 1 8 9 0 ' s i s s u g g e s t e d by " e x t r e m e l y numerous" p o p u l a t i o n s o v e r t h e i r p r i n c i p l e r a n g e i n t h e Kona " w e t b e l t " (1700-3000 f t e l e v . ) , " f l o c k s " commonly found o v e r a s i m i l a r e l e v a t i o n a l r a n g e n e a r e a c h p r i n c i p l e human community i n a l o n g 40-mi le b e l t i n Ka'G D i s t r i c t , and t h e o c c u r r e n c e of " h u n d r e d s " i n some r a n c h a r e a s a s l a t e a s t h e 1 9 2 0 ' s and 1 9 3 0 ' s .

O b s e r v a t i o n s o f r e l a t i v e a b u n d a n c e , d i s t r i b u t i o n , r ep roduc - t i o n , and s u r v i v a l i n i t i a t e d i n 1967 p r o v i d e d t h e f i r s t i n s i g h t i n t o ' A l a l ' i p o p u l a t i o n dynamics and t o t a l p o p u l a t i o n s i z e . A t o t a l o f less t h a n 20 was e s t i m a t e d i n 1971 o n t h e b a s i s o f o n l y 1 2 b i r d s which had b e e n l o c a t e d a t t h e c o n c l u s i o n o f t h e 1969 b r e e d i n g s e a s o n (1 ) . T h i r t e e n b r e e d i n g p a i r s , 1 8 immature o r unemployed a d u l t s , and f rom 1 3 t o 1 7 f l e d g l i n g s were t a l l i e d a t t h e end o f t h e b r e e d i n g s e a s o n i n 1 9 7 4 , f o r a known w i l d popu la - t i o n r a n g i n g f rom 57 t o 6 1 ( 2 ) . M a r s h a l l ( l 9 7 S ) , upon a d v i c e f rom t h e a u t h o r s , r e p o r t e d " a b o u t 44 i n d i v i d u a l s a r e known i n t h e a r e a s u r v e y e d t o d a t e and t h e t o t a l wor ld p o p u l a t i o n i s e s t i m a t e d t o b e no l a r g e r t h a n 60-70 b i r d s . A l t h o u g h new b i r d s have been found i n r e c e n t y e a r s , s u b - p o p u l a t i o n s t h a t h a v e been f o l l o w e d f o r t h e p a s t 7 t o 8 y e a r s h a v e g r a d u a l l y d e c l i n e d i n numbers" ( 2 a ) .

J . G . G i f f i n r e p o r t e d a t o t a l known p o p u l a t i o n o f 39 a t t h e end o f t h e 1977 b r e e d i n g s e a s o n ( 3 ) , and 3 5 , i n c l u d i n g f i v e f l e d g l i n g s , a t t h e end o f t h e 1978 s e a s o n ( 4 , 6 ) . The U. S. F i s h and W i l d l i f e S e r v i c e s t a t i s t i c a l l y p r o j e c t e d a t o t a l p o p u l a t i o n o f o v e r 100 b i r d s f rom a c o m p r e h e n s i v e s u r v e y o f ' A l a l Z h a b i t a t i n 1978 (5), b u t b r e e d i n g p a i r s which would s u p p o r t s u c h numbers were n o t i d e n t i f i e d .

Page 47: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

GEOGRAPHICAL DISTRIBUTION OF RECORDS

Numbers r e p r e s e n t i n g p o s i t i v e s i g h t i n g s , r e p o r t s , museum r e c o r d s , and r e c o l l e c t i o n s o f l ong - t e rm r e s i d e n t s a r e shown i n F i g u r e s 1 and 2. E x c e p t f o r t h e s o l e r e p o r t o f a s i n g l e ' A l a l s on Maui i n 1 9 7 0 , t h e r e seems t o be no r e c o r d o f t h i s s p e c i e s on i s l a n d s o t h e r t h a n Hawai' i .

CHRONOLOGICAL DISTRIBUTION OF RECORDS

S i n c e a s i g n i f i c a n t number o f r e c o r d s i n Appendix I r e l a t e s t o s t a t u s and /o r d i s t r i b u t i o n o f t h e s p e c i e s i n e x c e s s o f a 10 -yea r p e r i o d , more t h a n t h e i n d i c a t e d t o t a l o f 532 were a v a i l - a b l e f o r c h r o n o l o g i c a l a n a l y s i s by d e c a d e . The 617 r e c o r d s which r e s u l t e d f rom c l a s s i f i c a t i o n by 10-year p e r i o d a r e l i s t e d i n T a b l e 5 .

Only 1 3 r e c o r d s a p p l y t o t h e f i r s t 100 y e a r s a f t e r i n i t i a l s i g h t i n g of t h e s p e c i e s i n 1778 . However, f rom 1887 t h r o u g h 1910 some 54 o b s e r v a t i o n s , r e p o r t s , and c o l l e c t i o n r e c o r d s p r o v i d e good h i s t o r i c a l i n s i g h t o f ' ~ l a l s o c c u r r e n c e , a n u n d e r s t a n d i n g a m p l i f i e d by more t h a n 30 r e c o l l e c t i o n s o f l o n g - t i m e r e s i d e n t s c o v e r i n g t h e p e r i o d 1910 t o 1940 .

The 54 r e c o r d s s u b s e q u e n t l y compi l ed d u r i n g t h e 1 9 4 0 ' s ; 37 i n t h e 1 9 5 0 ' s ; 88 i n t h e 1 9 6 0 ' s ; and 346 i n t h e 1 9 7 0 ' s r e s u l t e d p r i m a r i l y f rom i n c r e a s i n g r e p o r t s by i n d i v i d u a l s and f i e l d b i o l o g i s t s .

TABLE 5. D i s t r i b u t i o n o f 617 ' A l a l Z r e c o r d s by d e c a d e .

Page 48: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

FIGURE 1. Distribution of observations, reports, and museum records of Corvus tropicus, per quadrangle, on Island of Maui, 1778-1978.

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HAWAI ' I

FIGuRF: 2. Distribution of.observations, reports, and museum records of Corvus tropicus, per quadrangle, on Island of Hawai'i, 1778-1978.

Page 50: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

COMPLETENESS OF DATA, BIAS, ERRONEOUS AND DOUBTFUL RECORDS

R e c o r d s p r e s e n t e d a r e c o m p l e t e f o r t h e s o u r c e s examined. W h i l e memor ies o f l o n g - t i m e r e s i d e n t s and f i e l d j o u r n a l s o f c o n t e m p o r a r y b i o l o g i s t s u n d o u b t e d l y i n c l u d e many v a l i d r e c o r d s n o t l i s t e d h e r e i n , i t seems u n l i k e l y t h a t s u c h i n f o r m a t i o n would g r e a t l y a l t e r t h e i n t e r p r e t a t i o n o f ' ~ l a l z p o p u l a t i o n h i s t o r y wh ich emerged f rom t h e f o r e g o i n g r e c o r d .

I n c o n t r a s t t o s p e c i e s whose h i s t o r i c a l r e c o r d h a s been l a r g e l y documented by b i r d w a t c h e r s , m o s t ' A l a l z o b s e r v a t i o n s c o n s i s t o f s i g h t i n g s r e s u l t i n g from s u r v e y s by government b i o l - o g i s t s and r e c o l l e c t i o n s by r e s i d e n t l a n d manage r s . S i n c e iden - t i t y o f ' A l a l z c a n s c a r c e l y b e c o n f u s e d w i t h any o t h e r Hawa i i an b i r d , t h e r e is l i t t l e o p p o r t u n i t y f o r r e p o r t e r e r r o r i n t h i s r e s p e c t .

Munro ( 1 9 4 4 ) made a m i s s t a t e m e n t r e g a r d i n g t h e h i s t o r i c a l d i s t r i b u t i o n o f t h e ' A l a l z , s t a t i n g t h a t t h i s s p e c i e s was " c o n f i n e d t o t h e Kona s i d e f rom Kau t o Puuwaawaa.. . . i n t h e e i g h t e e n - n i n e t i e s " ( 3 3 ) . The many spec imen r e c o r d s and o b s e r v a - t i o n s o f ' A l a l Z i n e a s t e r n K a ' E c i t e d h e r e i n t e s t i f y o t h e r w i s e ( 4 5 0 - 4 9 8 ) .

E x c e p t f o r t h e p r e l i m i n a r y i n f o r m a t i o n c i t e d , f i n d i n g s on r e l a t i v e abundance and d i s t r i b u t i o n o f ' A l a l z r e s u l t i n g from i s l a n d w i d e s u r v e y s o f f o r e s t b i r d s by t h e U . S . F i s h and Wild- l i f e S e r v i c e on H a w a i ' i f rom 1976 t o 1979 a r e n o t i n c l u d e d i n t h i s r e p o r t .

SUMMARY

The ' ~ l a l z ( C o r v u s t r o p i c u s ) is a medium-sized, b rownish- b l a c k r aven /c row endemic t o t h e i s l a n d o f H a w a i ' i and is t h e s o l e r e p r e s e n t a t i v e o f t h e f a m i l y C o r v i d a e i n t h e Hawai ian I s l a n d s .

Very l i t t l e is known o f i t s d i s t r i b u t i o n and r e l a t i v e abun- d a n c e d u r i n g t h e f i r s t 100 y e a r s a f t e r d i s c o v e r y o f t h e s p e c i e s d u r i n g t h e voyage o f C a p t a i n James Cook i n 1778 . O b s e r v a t i o n s and c o l l e c t i o n o f s p e c i m e n s from 1887 t o 1902 i n d i c a t e t h a t ' A l a l Z were common t o a b u n d a n t l o c a l l y i n Kona and Ka 'E d i s - t r i c t s , b e i n g found c h i e f l y i n f o r e s t s f rom 1700 f e e t t o more t h a n 3000 f e e t e l e v a t i o n and c o n s p i c u o u s l y a b s e n t e l s e w h e r e .

When p o p u l a t i o n s were w i d e s p r e a d and much l a r g e r t h a n t h e y a r e t o d a y , ' ~ l a l z were known t o b e l o c a l , n o t s t r a y i n g o u t s i d e w e l l - d e f i n e d b o u n d a r i e s . E x t r a - l i m i t a l s i g h t i n g s , f i r s t n o t e d i n Hawai i V o l c a n o e s N a t i o n a l P a r k i n 1940 , h a v e i n c r e a s e d i n £ re - q u e n c y and d i s t a n c e f rom c o n t i n u o u s l y o c c u p i e d h a b i t a t s i n r e c e n t y e a r s . O b s e r v a t i o n s o f ' ~ l a l s i n l o c a l i t i e s f a r removed f rom t r a d i t i o n a l r a n g e s , a p p a r e n t l y r e p r e s e n t a r e c e n t and h e r e t o f o r e unr e p o r t e d phenomenon.

Page 51: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

S t u d i e s o f 72 b r e e d i n g a t t e m p t s f rom 1964 t o 1978 show, from t h e 69 c a s e s where i t was p o s s i b l e t o d e t e r m i n e r e s u l t s , t h a t o n l y 58 young f l e d g e d . Of 57 n e s t s which were l o c a t e d and f o r which p r o d u c t i o n r e s u l t s were known, 32 ( 6 6 % ) were s u c c e s s f u l - - 1 1 f l e d g i n g two and 21 f l e d g i n g o n e young e a c h . I n a d d i t i o n , 1 5 f l e d g l i n g s were produced from 1 2 u n d i s c o v e r e d n e s t s . P r o d u c t i o n r e s u l t s f rom t h r e e n e s t s were unde te rmined .

O t h e r f i n d i n g s show t h a t n e s t t r e e s a r e t r a d i t i o n a l l y t h e same o r p r o x i m a t e t o t h o s e used i n p r e v i o u s y e a r s ; a n a v e r a g e c l u t c h o f 3 .5 e g g s i s l a i d b e g i n n i n g on a n a v e r a g e d a t e of 23 A p r i l ( b u t a s e a r l y a s 24 March and a s l a t e as 5 J u n e ) ; and a n a v e r a g e o f l e s s t h a n one ( 0 . 7 5 ) young is p roduced 58 t o 63 d a y s l a t e r f rom e a c h n e s t i n g a t t e m p t (1 .34 f l e d g l i n g s f rom e a c h s u c c e s s f u l n e s t ) .

N e s t s f i r s t v i s i t e d e a r l y i n t h e n e s t i n g c y c l e , w i t h two n o t a b l e e x c e p t i o n s , a p p a r e n t l y f l e d g e d f ewer young t h a n t h o s e v i s i t e d f o r t h e f i r s t t i m e l a t e r i n t h e s e a s o n .

N e s t s r anged i n e l e v a t i o n from 2400 t o 5700 f e e t , a v e r a g i n g 4406 f e e t . T h i s i s i n s t r i k i n g c o n t r a s t t o t h e e a r l y h i s t o r i c r a n g e o f ' A l a l a which was c e n t e r e d c h i e f l y i n t h e l ower f o r e s t f rom 1700 t o a b o u t 3000 f e e t e l e v a t i o n .

A p o t e n t i a l c a p t i v e b r e e d i n g program was i n i t i a t e d i n Hawaii V o l c a n o e s N a t i o n a l P a r k i n 1970 w i t h two d i s e a s e d f l e d g l i n g s s a l - vaged f rom t h e w i l d , b o t h d y i n g l a t e r a f t e r t r a n s f e r t o t h e main- l a n d . T h r e e more f l e d g l i n g s t a k e n i n 1 9 7 3 , and t r a n s f e r r e d t o PEhakuloa i n 1976 , p a i r e d b u t p roduced no young i n 1977 and 1978 . T h r e e a d d i t i o n a l f l e d g l i n g s were c a p t u r e d i n 1977 and t h r e e more i n 1978 f o r c a p t i v e b r e e d i n g p u r p o s e s a t ~ E h a k u l o a .

CONCLUSIONS

H i s t o r i c a l r e c o r d s document an u n i n t e r r u p t e d d e p o p u l a t i o n o f ' A l a l z o v e r t h e i r e n t i r e r a n g e from t h e e a r l y 1 8 9 0 1 s , w i t h t h e g r e a t e s t d e c l i n e o c c u r r i n g b e f o r e 1940 . The 72 ' A l a l Z museum s p e c i m e n s e x t a n t p r e s e n t l y outnumber t h e known l i v i n g p o p u l a t i o n . Few and w i d e l y s c a t t e r e d b r e e d i n g g r o u p s , a p p a r e n t low s u r v i v a l o f f l e d g l i n g s and immatu res , and u n p r e c e d e n t e d wande r ing d u r i n g t h e c o n t e m p o r a r y p e r i o d a l l s u g g e s t c o n t i n u i n g d e p o p u l a t i o n . The f a i l u r e o f f l e d g l i n g s and immatu res t o s u r v i v e and b r e e d i n s u f - f i c i e n t numbers t o i n s u r e t h e p r o p a g a t i o n o f s u c c e s s i v e g e n e r a - t i o n s a p p e a r s t o b e t h e w e a k e s t l i n k i n t h e c h a i n of c r u c i a l r e p r o d u c t i v e e v e n t s n e c e s s a r y t o p e r p e t u a t e t h e s p e c i e s . C a p t i v e b r e e d i n g f o r r e i n t r o d u c t i o n i n t o r e s t o r e d h a b i t a t s i s t h e m o s t o b v i o u s r e m a i n i n g hope o f p r e s e r v i n g a s e l f - s u s t a i n i n g w i l d popu- l a t i o n (P . Banko 1 9 7 6 a ) . -

Page 52: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

OBSERVERS

Grace Ackerman, Charles A i u , John W . Aldrich, Ronald Bach- man, Theodore B a l l i e u , Paul H . Baldwin, Paul C . Banko, Winston E . Banko, Glen Bauer, H . W . Baybrook, Andrew J . Berger, John Beyer, Chester E . Blacow, Ot to Bre i thaupt , William T , Brigham, L . W . Bryan, C . T . Campbell ( D V M ) , Duane Carlsmith, Norman Carlson, Paul Crackel , A. Cravalho, P a t r i c k Crosland, Louis Cruz, Gene Dahlberg, ~ i l l i a m Derasin, Harry Fergerstrom, John F i t c h , J . J. F i tzg ibbons , J r . , Joseph F r e i t a s , Jon G . G i f f i n , Lorin G i l l , Amy Greenwell, Frank R. Greenwell, Robert Greenwell, Sherwood Green- we l l , William H a a l i l i o , V i o l e t Hansen, Gregory Henriques, Henry W . Henshaw, Robert H ind , J r . , Mrs. W . Hopfe, Howard Horiuchi, Mr. Iaukea, James D. J acob i , Adolph Johansen, J r . , J e f f r e y Judd, Dan Kale ia loha , Samuel Kamelamela, Joseph K . Kauwe, S r . , Samuel Kawahara, Robert Keakealani, S r . , Roy Keast, Cameron Kepler , Clyde Keylon, Warren B. King, G . Knight, Ernest Kosaka, Samuel Kumakahi, Edmund J . Ladd, L i b e r t Landgraf, Victor Lewin, Pe ter L'Orange, H . Makizuma, K . Makizuma, Horace Mann, Alfred Medei- r o s , C . Medeiros, Manual Medeiros, William H . ~ e i n e c k e , J e f f r e y Mermel, D . Miranda, Melvin Miranda, Arthur L. Mi tche l l , Emilio Molc i l io , J r . , William P. M u l l , George C. Munro, Gunnar Olson, William Paiva , Henry C. Palmer, David P a r i s , William P a r i s , Louis Pau, T i t i a n R. Pea le , R. C . L . Perk ins , Edwin P e t t y s , Marilyn P l o t , Samuel Pua, Ernes t Pung, Judy Puniwai, H . Frederick Rice, J r . , Lawrence P. Richards, Bernadet te Roberts, Kaipo Roberts, Nelson Santos , George Scha t t aue r , J . Michael S c o t t , Alvin S e a l e , Robert J . Shal lenberger , Mr. S h i f f e r t , Herbert C. Shipman, Ol iver Shipman, Mrs. A. C . S t e a r n s , Ted Sumner, P. Quen t in Tomich, Charles van Riper 111, Thomas Vaughn, Theodore Vreden- berg, Char les Wakida, Ronald L . Walker, Munro L. Walton, William V. Ward, D. White, Roger Williams, S c o t t B. Wilson, David Wood- s i d e , Asaichi Yamamoto, Sanshiro Yano, Iwao Yonemitsu.

Page 53: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

Amadon, D. 1950. The Hawaiian honeycreepers (Aves, Drepani- idae). Bull. Am. Mus. Nat. Hist. 95(4): 262 pp.

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. 1958. Wild goosechase on Hawaii, 1958. Elepaio 19(5): 28-29.

Baldwin, P. H. 1941. Checklist of the birds of the Hawaii National Park, Kilauea-Mauna Loa section, with remarks on the present status and a field key for their identification, Hawaii National Park. Nat. Hist. Bull. 7: 38 pp.

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Banko, W. E. 1971. Endangered birds in Hawaii. Trans. 2nd Hawaii Wildlife Symp., Hilo, May 12, 1971.

. 1972. Endangered birds in Hawaii. Elepaio 33(2): 11-13.

Bauer, G. 1975. (report of observations). Elepaio 36 (3) : 37.

Berger, A. J. 1972. Hawaiian birdlife. The University Press of Hawaii, Honolulu. xiv + 270 pp.

Bryan, E. H., Jr., and J. C. Greenway, Jr. 1944. Contribution to the ornithology of the Hawaiian Islands. Bull. Mus. Comp. 2001. 94(2): 80-142.

Bryan, W. A. 1915. Natural history of Hawaii. Hawaiian Gazette Co., Honolulu. 596 pp.

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- - - - - -

Also contains references cited in ~ppendix I only.

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Donaghho, W. R. 1968. Highlights of the Crowder Hawaii Bird Tour. Elepaio 28(12): 107-109.

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Marshall, D. B. 1975. Report of the Committee on Conservation 1974-1975. Suppl. to The Auk 92(4): 1B-16B.

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.Mull, W. P. 1972. Audubon viewpoints on wildlife conserva- tion problems in Hawaii. Third Hawaii Wildlife Symposium, Oct. 4.

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Northwood, R. P. 1975. From.... Elepaio 35(12): 140-141.

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. 1903. Fauna Hawaiiensis, l(V1). Vertebrata, 365-466. Cambr idge-at- the-University-Press.

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9 . Banko, P. C . 19762 . S a v i n g t h e 'Alalz ( C o r v u s t r o p i c u s ) - Some p r e l i m i n a r y management r ecommenda t ions . P r o c . F i r s t Conf . Nat. S c i . i n H a w a i i , 19-20 A u g u s t 1976 . Pp . 23-27.

1 0 . v a n Riper, C . , 111. 1970-1972 f i e l d n o t e s .

11. U . S . F i s h and W i l d l i f e S e r v i c e . 1969-1975 f i l e o f endan- g e r e d b i r d s r e p o r t e d t o Mauna Loa F i e l d S t a t i o n , Hawaii V o l c a n o e s N a t i o n a l P a r k .

1 2 . G i f f i n , J . G. 5 A p r i l 1 9 7 2 l e t t e r .

1 3 . Hawa i i D i v i s i o n o f F i s h and Game. 22 November 1967 summary o f t e r r e s t r i a l v e r t e b r a t e a n i m a l s i n Hawai ' i .

1 4 . P e r k i n s , R. C . L. 1892-1895 f i e l d n o t e s .

1 5 . Manu I k i S o c i e t y . 4 March 1 9 4 1 m e e t i n g m i n u t e s .

1 6 . Sh ipman, H . C . 1 8 F e b r u a r y 1970 i n t e r v i e w i n H i l o by W i n s t o n E. Banko.

1 7 . N a t i o n a l P a r k S e r v i c e . 1968-1971 w i l d l i f e o b s e r v a t i o n f i l e c a r d s , Hawaii V o l c a n o e s N a t i o n a l P a r k .

1 8 . Tomich, P. Q. 1961-1968 f i e l d n o t e s .

1 9 . Vaughn, T. 30 O c t o b e r 1 9 7 0 , 26 J u n e 1972 l e t t e r s .

20. Banko, P. C . 1973-1978 f i e l d n o t e s .

21. Montgomery, S . L. 19-22 December 1 9 6 9 , 12-13 J a n u a r y 1 9 7 0 f i e l d n o t e s .

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2 2 . G i f f i n , J . G . . 3 November 1 9 7 8 . J o b P r o g r e s s R e p o r t : A l a l a I n v e s t i g a t i o n R-II-B. Hawaii S t a t e D i v i s i o n o f F i s h a n d Game. 25 p p .

2 3 . B a n k o , W . E . , a n d P . C. Banko . 1 9 7 5 . P r o g r e s s r e p o r t o f ' A l a l a ( C o r v u s t r o p i c u s ) p o p u l a t i o n s t u d i e s .

2 4 . G i f f i n , J . G . 1 9 7 7 . J o b P r o g r e s s R e p o r t : A l a l a I n v e s t i g a - t i o n R-II-B ( P r o j e c t W-18-R-2) 1 J u l y 1 9 7 6 t o 3 0 J u n e 1 9 7 7 . Hawaii S t a t e D i v i s i o n o f F i s h a n d Game.

25. B a n k o , P. C . 1 9 7 4 . R e p o r t o n ' A l a l a ( C o r v u s t r o p i c u s ) . 2 D e c e m b e r . 3 1 p p .

2 6 . B a n k o , P . C. 1 9 7 6 . 1 9 7 6 R e p o r t o n ' A l a l a ( C o r v u s t rop- i c u s ) . 26 D e c e m b e r . 1 6 p p .

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APPENDIX I

O b s e r v a t i o n s , r e p o r t s , and spec imen r e c o r d s a r e o r g a n i z e d by i s l a n d g r o u p , i s l a n d , d i s t r i c t , and /o r q u a d r a n g l e map. Orde r o f l i s t i n g , names and l o c a t i o n s o f d i s t r i c t , and q u a d r a n g l e b o u n d a r i e s a r e e x p l a i n e d and i l l u s t r a t e d i n CPSU/UH Avian H i s t o r y R e p o r t 4 : I n t r o d u c t i o n t o P a r t I , P o p u l a t i o n H i s t o r i e s - - S p e c i e s Accounts .

Acronyms composed of t h e f i r s t t h r e e l e t t e r s o f t h e a u t h o r ' s ( o r s e n i o r a u t h o r ' s ) l a s t name, t h e i n i t i a l l e t t e r o f t h e f i r s t name, and l a s t two d i g i t s o f t h e y e a r o f p u b l i c a t i o n r e p r e s e n t s o u r c e s found i n t h e b i b l i o g r a p h y unde r R e f e r e n c e s C i t e d . For example, BRYWOl = Bryan , W . A . , and A l v i n S e a l e . 1901 . N o t e s on t h e b i r d s o f Kauai . B i s h o p Museum Occ. P a p e r s . l ( 3 ) : 129-137. I n c a s e s where i t is n e c e s s a r y t o d i s t i n g u i s h be tween two o r more a r t i c l e s p u b l i s h e d by a n a u t h o r i n any g i v e n y e a r , l e t t e r s a r e added t o t h e acronym i n a l p h a b e t i c a l - s e q u e n c e , e .g . , BRYWOla = B r y a n , W . A. i 9 0 1 . A key t o t h e b i r d s o f t h e Hawa i i an g r o u p . B i s h o p Museum P r e s s . 76 pp.

P a r e n t h e t i c a l numbers s u c h a s (5), r e p r e s e n t r e f e r e n c e s l i s t e d unde r Unpubl i shed S o u r c e s C i t e d i n t h e b i b l i o g r a p h y .

P lace-names a r e c i t e d i n o r i g i n a l form.

P a r e n t h e t i c a l i n f o r m a t i o n is q u a l i f i e d .

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R e l a t i v e A b u n d a n c e / L o c a l i t y E l e v . ( f t . 1 Date S o u r c e

C o r v u s t r o p i c u s

I s l a n d o f H a w a i ' i

ISLANDWIDE INFERENCE

a b l e t o c o n f i r m t h e e x i s t e n c e o f o n l y 12 . . . .... t o d a y ' s p o p u l a t i o n . . . e s t i m a t e d a t f e w e r t h a n 20 / (Kona and Kau D i s t r i c t s )

W. and P. Banko: 57 t o t a l known: 44 a d u l t s .... and i m m a t u r e s , 13-17 f l e d g l i n g s ( 4 6 p e r c e n t b r e e d i n g a d u l t s ; 32 p e r c e n t immatu re s , unem- p l o y e d o r u n s u c c e s s f u l b r e e d i n g a d u l t s ; 22 p e r c e n t young-of- t h e - y e a r )

About 44 i n d i v i d u a l s a re known i n t h e area .... s u r v e y e d t o d a t e and t h e t o t a l w o r l d popu la - t i o n is e s t i m a t e d t o b e no l a r g e r t h a n 60-70 b i r d s . A l t h o u g h new b i r d s h a v e b e e n found i n r e c e n t y e a r s , s u b - p o p u l a t i o n s t h a t h a v e been f o l l o w e d f o r t h e pas t 7-8 y e a r s h a v e g r a d u a l l y d e c l i n e d i n numbers .

a t c o n c l u s i o n o f ( 2 3 ) 1974 b r e e d i n g y e a r

HSFG: a t l e a s t 39 known / i n f o u r l o c a t i o n s .... a t end o f 1977 on H u a l a l a i and two on Mauna Loa f rom Puu- b r e e d i n g s e a s o n waawaa Ranch S t o McCandless Ranch

HSFG: no a t t e m p t made t o d e t e r m i n e e n t i r e .... 1 J u l y 1977 - r a n g e s i n c e t h i s work was b e i n g d o n e by USFWS 30 J u n e 1978

s u r v e y p u t s p o p u l a t i o n a t o v e r 1 0 0 b i r d s - .... O c t . 1978 c o n s i d e r a b l y o v e r p r e v i o u s estimates

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6 HSFG: a t end o f 1978 b r e e d i n g s e a s o n known .... p o p u l a t i o n o f 35 i n d i v i d u a l s c o n s i s t e d of 8 s u c c e s s f u l n e s t i n g a d u l t s ( 2 3 % ) , 10 unsuc- c e s s f u l n e s t i n g a d u l t s (29% ) , 8 unemployed a d u l t s ( 2 3 % ) , 4 immatures (11%) and 5 f l e d g - l i n g s ( 1 4 % )

UNDESIGNATED LOCALITY

6 a specimen( s) a p p a r e n t l y o b t a i n e d / d u r i n g .... s e v e r a l d a y s e x c u r s i o n from Kealakekua Bay i n t o t h e i n t e r i o r

7 by no means abundan t / a l l specimens have .... h i t h e r t o come from Kealakekua

8 P e a l e p rocured s e v e r a l specimens / unspe- .... c i f i e d d i s t r i c t s v i s i t e d by U . S. Exp lo r ing E x p e d i t i o n

9 r e p o r t e d by n a t i v e s t o g a t h e r i n l a r g e num- . . . . ber.s t o f e e d on s h e e p

10 abundant l o c a l l y / Kau and Kona d i s t r i c t s .... 11 a s i n g u l a r l y l o c a l s p e c i e s . . .numerous i n t h e . . ..

f o r e s t s / Kona and Kau d i s t r i c t s

1 2 r e s t r i c t e d range . . . is a n unsolved enigma and . . . . t o m e i n e x p l i c a b l e / a d j o i n i n g d i s t r i c t s o f Kau and Kona

1 3 o c c u r s on a c e r t a i n p o r t i o n / Kona and Kau .... d i s t r i c t s . . . a n d t h e r e over an a r e a from which i t never seems t o a t t e m p t t o p a s s

14 HSFG: Bachman: s i g h t i n g s a r e be ing more .... f r e q u e n t l y made by h u n t e r s and r a n c h e r s / Kau and Sou th Kona D i s t r i c t s

30 J u n e 1978

1 Feb. 1966

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I s l a n d o f Hawai' i-- ( C o n t i n u e d )

UNDESIGNATED LOCALITY ( c o n ' t . ) 1 5 s p e c i m e n s o b t a i n e d / a d a y ' s j o u r n e y f rom . . . .

K a i l u a

1 6 W. Banko: B a i l l e u c o l l e c t e d 2 s p e c i m e n s . . . . 1 7 W . Banko: W i l s o n o b t a i n e d 2 s p e c i m e n s / ....

Kona

1 8 W. Banko: Munro o b t a i n e d 1 s p e c i m e n / .... Kona

1 9 p r e s e n t / i n Kona f rom 1000 t o 8000 f e e t .... e l e v a t i o n . . . p r e t t y low down on O c t o b e r 1 7

20 W . Banko: P e r k i n s s e c u r e d 6 s p e c i m e n s / 3000 Kona

2 1 W. Banko: S e a l e c o l l e c t e d 5 s p e c i m e n s / .... N o r t h Kona D i s t r i c t

22 saw two / on H u a l a l a i . . . . 23 HSFG: u s u a l l y f o u n d i n r a i n f o r e s t s be tween ....

4 , 4 0 0 and 5 , 5 0 0 i n t h e s p r i n g and e a r l y summer . . . . . d u r i n g t h e l a t e summer, f a l l and w i n t e r , b i r d s were found be tween 3 , 0 0 0 and 4 ,000 f e e t

MULTIQUADRANGLE

24 o b s e r v e d i n small s o c i e t i e s / woody d i s t r i c t s . . . . o f t h e i n t e r i o r , s e ldom i f e v e r v i s i t i n g t h e c o a s t

Nov. 1840

ca. 1876

Mar. 1888

11 Mar. 1891

Mar. 1896

20 A p r i l 1 9 0 1

25 c h i e f l y b e l o n g s / t o t h e l o w e r f o r e s t s ca. 1700- ( J u n e / O c t . 1 8 9 2 ) 3000+

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l a r g e numbers / came up t h e moun ta in s . . . even .... a s h i g h a s 4000 f t . . . i n t h e i n t e r v a l be tween f l o w e r i n g o f i e i e

2 n o t e d / u n u s u a l l y h i g h up i n t h e Mamane .... b e l t , H u a l a l a i

May 1940

8 n o t e d / i n t h e u p p e r Koa f o r e s t s o f H u a l a l a i

May 1940

s e v e r a l s e e n by Brigham and Mann / f o r e s t s 6000 o f Kona

f a i r l y common / f rom 1100 t o 6000 f t . and .... p r o b a b l y h i g h e r , d i s t r i c t o f Kona

e x t r e m e l y numerous / i n t h e w e t b e l t o f t h e .... Kona d i s t r i c t

less a b u n d a n t / wet b e l t o f t h e Kona d i s t r i c t . . . . numerous / c o n f i n e d t o t h e Kona s i d e f rom 1000- Kau t o Puuwaawaa . . . f o r e s t and o p e n c o u n t r y 8000

W. Banko: R. G r e e n w e l l e s t i m a t e d f l o c k s o f .... 8 , 1 0 , 1 2 ... t o t a l i n g h u n d r e d s / i n area.. . a b o v e 2000 f t . e l . . .p a s t u r e d by h i s f a t h e r i n l a n d s o f Honokohau 1 and 2 , K e a l a k e h e Mauka T r a c t , Honuau la T r a c t 2 , Keahuo lu , Honuau la F o r e s t R e s e r v e , Kaupulehu F o r e s t R e s e r v e , Honuau la T r a c t 3

e a r l y 1 9 2 0 ' s ( 2 3 S e p t . 1 9 6 9 )

W. Banko: H a a l i l i o ( l o g g e r and s a w m i l l .... o p e r a t o r 1927-1955) r e c a l l e d 'Alala were v e r y a b u n d a n t / i n l a n d o f A l i k a Homes teads a l l t h e way t o Kaohe Ranch (Kaohe 1-3, 4 ) down t o Government Road (now B e l t Highway)

l a t e 1 9 2 0 ' s ( 2 J a n . 1 9 7 2 )

. . . . (1935-1940) ( 2 4 S e p t . 1 9 6 9 )

W . Banko: Hind e s t i m a t e d p o p u l a t i o n a t a r o u n d 200 / o n H u a l a l a i

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I s l a n d o f Hawai' i-- ( C o n t i n u e d )

MULTIQUADRANGLE ( c o n ' t . )

37 Ba ldwin : f o r m e r l y r a n g e d / H o l u a l o a F o r e s t 2500- ( 1 7 Nov. 1 9 4 2 ) R e s e r v e S t h r o u g h Kaha luu F o r e s t R e s e r v e 3000

38 F. G r e e n w e l l : r e c e n t l y i n h a b i t e d / m i d d l e .... ( p r i o r t o 1 9 4 3 ) f o r e s t s o f N o r t h Kona b e t w e e n r o u g h l y 2500 and 3500 t o 4000 f t . f r om somewhat s o u t h w a r d o f Kaha luu F o r e s t R e s e r v e n o r t h w a r d t h r o u g h Honokahau and Ka loko

3 9 F. G r e e n w e l l s k e t c h e d on my t o p o g r a p h i c . . . . 1943 map i n d i c a t i n g ... / 2500 f t . e l . c o n t o u r a s l o w e r l i m i t s o f r a n g e , N o r t h Kona

3 9 a NPS: h e a r d . . . i n a f e w l oca l i t i e s S o f . . . . 29 Feb.-4 Mar. 1944 BALP6 9 K e a n a p a a k a i i n c l u d i n g Kaunene and Lumiawi ( 5 (Lumiawai ) . . . saw o n e p r o b a b l e n e s t n e a r Kamakawai W a t e r h o l e / o n h o r s e b a c k f rom Hapuu C a m p ( 4 6 0 0 f t . ) on t h e K i i l a e - K e a n a p a a k a i T r a i l up t o K e a n a p a a k a i ( 5 2 9 3 f t . ) and S t o Lumaiwai (5859 i t .) i n Honokua.. .most o f t h e t r a i l was b e t w e e n 5300 and 6150 f t . e l . . . t r a v e r s i n g much o p e n p a s t u r e d c o u n t r y a s w e l l a s o h i a f o r e s t

39b S h i f f e r t : c o n t i n u e d t o b e f a i r l y common / .... 1940 ' s i n some o f t h e f o r e s t e d c o u n t r y o f m i d d l e and u p p e r e l e v a t i o n s o f S o u t h Kona

3 9 c R i c h a r d s : n o t e d (1300-1830 h o u r s ) / on h i k e . . .. 20 Nov. 1950 f rom ca. 0 .5 m i l e p a s t Hapu Mounta in House a l o n g t r u c k t r a i l t o Keanapuaku i , t h e n c e t o Kaunene, t h e n c e ca. 0.5 m i l e t oward Komakawai . . .McCandless Ranch

39d W. Banko: u n s u c c e s s f u l s e a r c h / u p H o l u a l o a . . . . 2 5 May 1 9 7 1 1-2 (Huehue Ranch) t h r o u g h Honua lua F o r e s t R e s e r v e , Kaupulehu F o r e s t Reseve , a l o n g j e e p t r a i l s

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Kona D i s t r i c t

KIHOLO

40 W. Banko: C r o s l a n d saw 1 w i t h t w i g i n b i l l . . . . f l y a c r o s s / B e l t Highway, n e a r j u n c t i o n H u a l a l a i j e e p access r o a d

PUU ANAHULU

4 1 W. Banko: W i l s o n o b t a i n e d 3 s p e c i m e n s / .... P u u a n a h u l u

42 W. Banko: Hind f o u n d i n lesser numbers .... ( t h a n mauka o f Puuwaawaa Ranch Hdqs. ) / on Mauna Kea s i d e o f 1859 l a v a f l o w i n Puuanahu lu

42a HSFG: none f o u n d on s u r v e y s / P u u a n a h u l u .... G a m e Management Area

4 2 b HSFG: n o n e f o u n d o n s u r v e y s / Huehue Ranch ....

43 r e p o r t e d . . .by s e v e r a l o b s e r v e r s / a l o n g t h e .... highway. . . Puuanahu lu Game Management Area

44 W. Banko: Hind . . . found r e g u l a r l y / f rom .... Puuwaawaa Ranch Hdqs. i n t h e O h i a Paddock on K a i l u a s i d e o f P u u a n a h u l u down t o 1600 f t . e l .

45 a b s e n t / f rom t h e r a t h e r d r y paddocks ( f e n c e d .... p a s t u r e s ) o f Puuwaawaa Ranch W o f Puuwaawaa 2500 and 3500 i t . e l .

46 h a l f a d o z e n / on t h e t r a i l a mile above Puuwaawaa Ranch (Hdqs . )

47 3 s e e n / n e a r Puuwaawaa Ranch Hdqs.

23 J u n e 1967

Mar. 1 8 8 8

1935-1950 ( 2 4 S e p t . 1 9 6 9 )

1 J u l y 1977 - 30 J u n e 1978

1 J u l y 1977 - 30 J u n e 1978

e a r l y 1 9 6 0 ' s

1935-1950 ( 2 4 S e p t . 1 9 6 9 )

(16-21 Nov. 1 9 4 4 )

.... 3 S e p t . 1952 RUHG52

V1

2 3 Mar.-14 A p r i l 1 9 5 8 EASW58 w . . . .

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I s l a n d o f Hawail i-- ( C o n t i n u e d )

PUU ANAHULU ( con ' t . ) 48 3 s e e n / Puuwaawaa Ranch Hdqs. .... 49 W . Banko: Aiu ( m e c h a n i c a t Puuwaawaa Ranch) ....

o f t e n saw u p t o a d o z e n o r s o / Puuwaawaa Ranch Hdqs. area

50 W. Banko: Aiu h a s s e e n none i n p a s t t h r e e o r f o u r y e a r s / Puuwaawaa Ranch Hdqs. a r e a

5 1 saw a t l e a s t 4 and h e a r d o t h e r s / D i l l i n g h a m Ranch (Puuwaawaa)

5 2 Ward: 5 o r 6 s e e n and h e a r d ; r e c o r d i n g s made / i n S i l k y O a k t r ee , 0.25 m i l e NW o f r e s i d e n c e , Puuwaawaa Ranch

53 King : b r i e f u n s u c c e s s f u l s e a r c h / above Puuwaawaa Ranch Hdqs.

54 W. Banko: Kepler saw 7 , o n e b e g g i n g f o r f o o d / i n t h e E u c a l y p t u s g r o v e b e h i n d Puu- waawaa Ranch h o u s e

5 5 Kepler: r a n c h g a r d e n e r r e p o r t s them t o commonly f r e q u e n t / t h e g r o v e o f t rees a b o v e Puuwaawaa Ranch Hdqs.

56 W. Banko: Lewin r e p o r t e d s e e i n g 2 / Puuwaawaa Ranch Hdqs.

1958-1959) ( 1 7 S e p t . 1 9 6 9 )

( 1 7 S e p t . 1 9 6 9 )

1 8 J u n e 1960

1 2 Aug. 1 9 6 1

.... 1 9 A p r i l 1964

... . 20 Dec. 1965

. . . . 20 Dec. 1 9 6 5

. . . . 5 J u l y 1966

57 W. Banko: Lewin saw 2 f l y o v e r / Puuwaawaa .... 1 0 O c t . 1966 Ranch Hdqs.

58 W . Banko: Lewin h e a r d / Puuwaawaa Ranch . . . . 11 O c t . 1966 Hdqs.

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W. Banko: Lewin s a w and h e a r d 2 / Puuwaawaa Ranch Hdqs.

W . Banko: A l d r i c h saw 2 / Puuwaawaa Ranch .... Hdqs.

u n s u c c e s s f u l s e a r c h / o f t h e t o n g u e o f f o r e s t .... w h e r e t h e c rows u s u a l l y were s e e n ... Puuwaawaa -

Ranch

W . Banko: K e a k e a l a n i saw 1 r e c e n t l y / n e a r s t o n e c o r r a l , a b o u t 0 .25 mile W Puuwaawaa Ranch Hdqs.

W . Banko: Yano s a w 2 o r t h r e e l a s t w e e k / S t o n e C o r r a l area, Puuwaawaa Ranch

W. Banko: K e a k e a l a n i : r e p o r t e d 1 s e e n / Puuwaawaa Ranch, h a l f w a y b e t w e e n Hdqs. and P u u i k i

W . Banko: h e a r d 1, p o s s i b l y 2 (0630 h o u r s ) / mauka f i r s t water t a n k o n j e e p t r a i l t o S h a n g r i l a , Puuwaawaa Ranch

P u ' u a n a h u l u P r o d u c t i o n H i s t o r y

l o c a t e d a p a i r ... n e s t u n d e r c o n s t r u c t i o n . . . f o u r o l d n e s t s f o u n d . . . o t h e r 'Ala la a b s e n t / Puuanahulu . . .3 .1 km. (1 .92 miles) E , 6 km. ( 3 . 7 3 miles) N of Puuwaawaa, a p r o m i n e n t c i n d e r c o n e

p a r e n t s i n c u b a t i n g 4 e g g s ( f i f t h b r o k e n ) / Puuanahu lu . . . 3 . 1 km. ( 1 . 9 2 miles) E , 6 km. ( 3 . 7 3 miles) N o f Puuwaawaa

p a r e n t s i n c u b a t i n g s i n g l e i n v i a b l e e g g / P u u a n a h u l u . . . . 3 .1 km. ( 1 . 9 2 miles) E , 6 km. ( 3 . 7 3 miles) N o f Puuwaawaa

30 Nov. 1966

1 6 J a n . 1967

28 Dec. 1967

( 9 J u n e 1 9 7 0 )

( 1 0 J u n e 1 9 7 0 )

( 1 9 7 0 )

1 6 J u n e 1971

26 Mar. 1964 - 30 J a n . 1 9 6 5

1 2 A p r i l 1964

26 A p r i l 1964

( 3 )

( 3 )

DONW 6 8

Page 67: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f Hawai' i-- ( C o n t i n u e d )

Pu ' u a n a h u l u P r o d u c t i o n H i s t o r y ( c o n ' t . )

69 a p p r o x i m a t e l y a n n u a l v i s i t s . . . r e v e a l e d no a c t i v i t y a f t e r 1 9 6 4 . . . a l l t races o f n e s t s d i s a p p e a r e d by 1969 / Puuanahu lu . . .3.1 km ( 1 . 9 2 miles) E , 6 km ( 3 . 7 3 miles) N o f Puuwaawaa

70 W. Banko: Lewin r e p o r t e d 1 o l d n e s t f ound .... 20 May 1966 by B e r g e r , Tomich and Lewin / mauka o f B e l t Highway 1 m i l e N o f 1859 l a v a f l o w i n t h e G a m e Management Area

KAILUA - Pu ' uwa' awa' a

7 1 h e a r d b u t n o t numerous / f o r e s t s o f t h e .... 1 9 2 3 Puuwaawaa Ranch

72 W. Banko: P a r i s b e l i e v e d p l e n t i f u l ... s e v e r a l .... 1930 ' s hundred e s t i m a t e d / Puuwaawaa Ranch

73 W . Banko: Hind h e a r d and saw e v e r y d a y w h i l e . . . . 1935-1940 r i d i n g f o r c a t t l e / f o r e s t e d areas o n Puu- ( 2 4 S e p t . 1 9 6 9 ) waawaa Ranch...Puuwaawaa h i l l . . . P u u h i n a h i n a . . .Kileo

74 g r e a t l y r e d u c e d numbers / Puuwaawaa f o r e s t s .... 1936-1937

7 5 R i c h a r d s : f o u n d p r e s e n t i n u n s p e c i f i e d .... 25 Aug. 1950 numbers / h o r s e b a c k r i d e f rom Puuwaawaa Ranch Hdqs. t o S h a n g r i l a ... h i k e 0 .25 m i l e beyond

Page 68: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

R i c h a r d s : saw a b o u t 5 o r 6 , p o s s i b l y 1 0 h e a r d (1300-1900 h o u r s / on t r i p . by v e h i c l e f rom Puuwaawaa Ranchhouse a r o u n d W s i d e o f Puuwaawaa t o P o t a t o H i l l ( S h a n g r i l a ) ... t h e n c e o n f o o t a p p r o x i m a t e l y S f o r a b o u t 0 .5 m i l e and r e t u r n t o S h a n g r i l a

W. Banko: K e a k e a l a n i h e a r d o n l y o c c a s i o n a l l y o n v i s i t s t o c a t t l e w a t e r i n g f a c i l i t i e s / Puuwaawaa Ranch

s e e n / Puuwaawaa

7 s e e n and h e a r d / Puuwaawaa

P a r i s : h a v e n e v e r s e e n more t h a n 1 2 / Puuwaawaa Ranch

s e e n / Puuwaawaa Ranch

u n s u c c e s s f u l s e a r c h / Puuwaawaa Ranch

o b s e r v e d a few ... t h e y o f t e n g e t a s low a s t h e Ranchhouse when t h e f o g is i n / above Puuwaawaa

. . . . 26 S e p t . 1950

.... 1 7 S e p t . 1 9 6 9

.... l a s t month. . . ( ? J a n . 1 9 5 2 )

. . . . 1 8 J u n e ( 1 9 6 0 )

.... 20 A p r i l 1964

.... ( 1 9 7 3 )

USFWS: 3 s e e n / u p p e r area o f Puuwaawaa .... 30 S e p t . 1971 Ranch

HSFG: s a w 4 , h e a r d 1 / Puuwaawaa Ranch 4800- 5 A p r i l 1977 5620

8 4 b HSFG: saw 1 / Puuwaawaa Ranch 5700 1 3 A p r i l 1 9 7 7

8 4 c HSFG: saw 2 on s u r v e y / Puuwaawaa Ranch 4700 9 Nov. 1977

84d HSFG: h e a r d 2 on s u r v e y / Puuwaawaa Ranch 5300 8 J u n e 1978

8 4 e HSFG: 2 d e t e r m i n e d t o b e unemployed a £ t e r .... 30 J u n e 1 9 7 8 1 9 7 8 b r e e d i n g s e a s o n / Puuwaawaa Ranch

MUNG46

BALH 5 2

Page 69: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i-- ( C o n t i n u e d )

KAILUA

8 5 NPS: s t i l l much i n e v i d e n c e / s l o p e s o f H u a l a l a i a b o v e t h e c a t t l e r a n g e (Puuwaawaa Ranch)

15-22 Nov. 1944

s p e c i m e n s e c u r e d . . . once 4 t o g e t h e r f l e w pas t . . .more by t w o ' s o r a l o n e . . . a b o u t a d o z e n h e a r d i n s u r r o u n d i n g f o r e s t / c i n d e r c o n e , l a n d o f Kaupulehu

9 S e p t . 1949

W . Banko: s a w 4 / p i t c r a t e r s n e a r r o a d h i g h up o n H u a l a l a i

9 Feb. 1966

W . Banko: saw 2 / S o f Puuwaawaa Ranch 9 Feb . 1966

7 Feb. 1 9 6 7 W. Banko: Bryan h e a r d / H u a l a l a i S h e e p S t a t i o n

W . Banko: h e a r d / t e l e p h o n e microwave r e l a y s t a t i o n a l o n g H u a l a l a i j e e p access r o a d

26 J u n e 1967

W . Banko: Bryan s a w 2 / t e l e p h o n e micro- wave r e l a y s t a t i o n a l o n g H u a l a l a i j e e p access r o a d

7 Feb. 1 9 6 8

26 J u n e 1969

5 S e p t . 1969

1 7 S e p t . 1969

W . Banko: 3 s e e n and h e a r d / H u a l a l a i Ranch

W. Banko: h e a r d 4 / Kaupu lehu , H u a l a l a i Ranch

W. Banko: 4 s e e n o r h e a r d / Kaupu lehu , H u a l a l a i Ranch, n e a r unnamed c i n d e r c o n e s ca. 1 mile S E Moanuiahea

Montgomery saw 3 / on H u a l a l a i Ranch r o a d p a s t f i r s t c r a t e r ( s m a l l e r o n e w i t h o l d r a i n shed )

23 Dec. 1969

Page 70: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

W. Banko: Keast r e c a l l e d 4 g r e a t e s t 2900 number s e e n ( 2 d a i l y f o r s e v e r a l weeks ) / Kaupu lehu , H u a l a l a i Ranch Hdqs.

W i n t e r o f 1969-70 (11 J u n e 1 9 7 0 )

W . Banko: 2 , p o s s i b l y 3 , h e a r d / 3600 Kaupu lehu , N o r t h Kona, H u a l a l a i Ranch n e a r unnamed c i n d e r c o n e s a b o u t 1 mile SE Moanuiahea

1 0 J u n e 1970

W. Banko: Kawahara saw 8 and h e a r d many more .... ...p o s s i b l y as many as two d o z e n / n e a r t e l e p h o n e r e l a y s t a t i o n a l o n g access r o a d up H u a l a l a i

6 Feb. 1 9 7 1

G i f f i n : saw 3 and h e a r d 1 o t h e r c a l l i n g / 4600 Kaupu lehu , 0.75 mile W o f ~ a l e p i u l a r a i n s h e d , Puuwaawaa Ranch

1 5 Mar. 1 9 7 1

W . Banko: Kosaka and G i f f i n saw 3 and h e a r d 4600 a p o s s i b l e f o u r t h / Puuwaawaa Ranch, Hale- p i u l a r a i n s h e d area

1 5 Mar. 1 9 7 1

W . Banko: a t l e a s t 5 / Kaupu lehu , ~ u a l a l a i 3600 Ranch , 0 .5 - 1 mile NE of unnamed c i n d e r c o n e s a b o u t 1 m i l e S E Moanuiahea

1 8 May 1 9 7 1

W. Banko: h e a r d 2 / 0 .5 - 1 m i l e SW H a l e p i u l a r a i n s h e d , Puuwaawaa Ranch

8 J u n e 1 9 7 1

8 J u n e 1 9 7 1 W . Banko: saw o r h e a r d 4 , p o s s i b l y 6 i n 3600 d a y ' s s e a r c h / Kaupu lehu , 1 - 1 . 5 miles NE o f unnamed c i n d e r c o n e s a b o u t 1 mile S E Moanuiahea , H u a l a l a i Ranch

W. Banko: ended s e a r c h f o r n e s t s , c o n c l u d e d 3600- o n l y 3 p a i r s p r e s e n t , 2 o f wh ich were n o t 4000 b r e e d i n g / Kaupu lehu , 0 .5 - 1 . 5 miles NE o f unnamed c i n d e r c o n e s a b o u t 1 mile S E Moanuiahea , H u a l a l a i Ranch

9 J u n e 1 9 7 1

Page 71: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i - - ( C o n t i n u e d )

K A I L U A - Ka' CpGlehu ( con ' t . )

1 0 5 v a n R i p e r 111: 2 n o t e d i n d a y l o n g w a l k i n g s u r v e y /Puuwaawaa, 0.25 mile be low H u a l a l a i r a i n s h e d

1 5 J u n e 1 9 7 1

1 0 6 W . Banko: h e a r d , t h e n saw, 1 p o s s i b l e 1 9 7 1 f l e d g l i n g b u t no a d u l t s / a b o u t 0 .25 mile u p new b u l l d o z e d r o a d on Puuwaawaa s i d e o f T e l e p h o n e Road, H u a l a l a i Ranch

30 J u n e 1 9 7 1

3 J u n e 1972 107 W . Banko: h e a r d o r saw 8 o r 9 i n s u r v e y f rom 0555 t o 1830 h o u r s / H u a l a l a i Ranch and a d j a c e n t p a r t s o f Puuwaawaa Ranch

1 9 A p r i l 1 9 7 3

29 J u n e 1 9 7 3

1 0 8 W . Banko: C a r l s o n saw 2 / NW c o r . Kaupulehu F o r e s t R e s e r v e

1 0 9 W. and P. Banko: l o c a t e d 3 a d u l t s , p o s s i b l y 1 j u v e n i l e / 0.25 m i l e t o w a r d s K a i l u a f rom j u n c t i o n o f H u a l a l a i Ranch c r o s s - f e n c e and (mauka-makai) bnd ry . f e n c e Puuwaawaa Ranch, a l o n g H u a l a l a i Ranch j e e p r o a d ( 1 . 2 miles NNE Kaupulehu c r a t e r )

1 1 0 W . Banko: Mi randa h a s n o t s e e n more t h a n 3 o r 4 a t o n e t i m e s i n c e Keast l e f t H u a l a l a i Ranch 7 mon ths a g o

( 3 J u n e 1 9 7 3 )

l lOa HSFG: saw 3 on s u r v e y / H u a l a l a i Ranch 20 S e p t . 1976

11 A p r i l 1977

1 2 A p r i l 1977

l l O b HSFG: saw 2 o n s u r v e y / H u a l a l a i Ranch

l lOc HSFG: saw 5 on s u r v e y / H u a l a l a i Ranch

l l O d HSFG: saw 3 on s u r v e y / H u a l a l a i Ranch 26 A p r i l 1 9 7 7

llOe HSFG: saw 2 on s u r v e y / H u a l a l a i Ranch 3600 1 0 May 1977

Page 72: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

l l o f HSFG: saw 3 on s u r v e y / H u a l a l a i Ranch 4300

l l O g HSFG: saw 4 on s u r v e y / H u a l a l a i Ranch 4800

l l O h HSFG: saw 4 on s u r v e y / H u a l a l a i Ranch 4250- 4800

l l O i HSFG: s a w 2 on s u r v e y / H u a l a l a i Ranch 4700

l l O j HSFG: saw 3 on s u r v e y / H u a l a l a i Ranch 3400- 5350

l l o k HSFG: saw 6 on s u r v e y / H u a l a l a i Ranch 3600- 5400

1 1 0 1 HSFG: saw 4 on s u r v e y / H u a l a l a i Ranch 4800- 5440

l l O m HSFG: saw 3 on s u r v e y / H u a l a l a i Ranch 4800

l l O n HSFG: s a w 6 on s u r v e y / H u a l a l a i Ranch 4900- 5450

1100 HSFG: saw 4 on s u r v e y / H u a l a l a i Ranch 4900- 5450

l lOp HSFG: a f t e r 1 9 7 8 b r e e d i n g s e a s o n p o p u l a t i o n .... on H u a l a l a i Ranch c o n s i s t e d o f 1 p a i r suc- c e s s f u l n e s t i n g a d u l t s , 1 p a i r u n s u c c e s s f u l n e s t i n g a d u l t s , 4 unemployed a d u l t s , 1 i m - m a t u r e , 2 f l e d g l i n g s - - 1 c a p t u r e d f o r c a p t i v e p r o p a g a t i o n

Ka'TipClehu P r o d u c t i o n H i s t o r y - N o r t h Kaupulehu C r a t e r

111 W . and P. Banko: 3 s e e n , 1 p o s s i b l y a 4750 f l e d g l i n g / 0.25 mile W o f Puuwaawaa Ranch bnd ry . and 1 . 2 miles NNE o f Kaupulehu c r a t e r

11 May 1977

2 Nov. 1977

27 Dec. 1977

1 Feb. 1978

7 Mar. 1978

2 1 Mar. 1978

4 A p r i l 1 9 7 8

5 A p r i l 1 9 7 8

1 4 A p r i l 1 9 7 8

26 A p r i l 1 9 7 8

30 J u n e 1978

29 J u n e 1973

Page 73: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i - - ( C o n t i n u e d )

Ka 'EpElehu P r o d u c t i o n H i s t o r y - N o r t h Kaupulehu C r a t e r ( c o n ' t . )

P. Banko: p a i r . w i t h 2 i n n e s t / 1 . 1 5 miles 4660 N o f Kaupulehu c r a t e r n e a r H u a l a l a i Ranch jeep r o a d

P . Banko: f l e d g l i n g s banded -07 and -08 / 4660 1 . 1 5 miles N Kaupulehu c r a t e r n e a r H u a l a l a i Ranch j e e p r o a d

P. Banko: f a m i l y w i t h -07 and -08 f l e d g l i n g s 4660 s e e n / 1 . 1 5 miles N Kaupulehu c r a t e r n e a r H u a l a l a i Ranch j e e p r o a d

P. Banko: saw p a i r w i t h f l e d g l i n g , no n e s t 4660 found / 1 .15 miles N Kaupulehu c r a t e r n e a r H u a l a l a i Ranch j e e p r o a d

P. Banko: 1 p a r e n t and f l e d g l i n g found / 4660 1 . 1 5 miles N Kaupulehu c r a t e r n e a r ~ u a l a l a i Ranch j e e p r o a d

P . Banko: n e s t t e r r i t o r y d e s e r t e d , none 4660 s e e n / 1 . 1 5 miles N Kaupulehu c r a t e r n e a r H u a l a l a i Ranch j e e p r o a d

P. Banko: p a i r s e e n c o m p l e t i n g n e s t con- 4580 s t r u c t i o n / 1 . 2 5 miles N o f Kaupulehu c r a t e r

P. Banko: pa i r h e a r d toward Puuwaawaa Ranch 4580 bnd ry ; n e s t empty b u t presumed a f a i l u r e / 1 . 2 5 miles N o f Kaupulehu c r a t e r

P. Banko: p a i r n o t a t n e s t s i t e b u t h e a r d 4580 i n t e r r i t o r y / 1 . 2 5 miles N o f Kaupulehu c r a t e r

1 2 J u n e 1974

4 J u l y 1974

2 O c t . 1974

1 7 J u n e 1975

1 0 J u l y 1975

3 Aug. 1975

27 May 1976

1 7 J u n e 1976

8 J u l y 1976

Page 74: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

~ a ' E p E l e h u P r o d u c t i o n H i s t o r y - Mauka H a l e p i u l a Ra inshed

P. Banko: pa i r p r e s e n t / Puuwaawaa Ranch, 0 .5 m i l e S o f 4680 f t . n e s t and 1 m i l e SSE o f H a l e p i u l a r a i n s h e d

P. Banko: a d u l t h e a r d / Puuwaawaa Ranch, 1 m i l e SE o f H a l e p i u l a r a i n s h e d

P. Banko: p a i r s e e n / Puuwaawaa Ranch, 0 .5 mile SW o f H a l e p i u l a r a i n s h e d n e a r H u a l a l a i Ranch b n d r y .

P. Banko: p a i r r o o s t i n g / Puuwaawaa Ranch, 0 .5 m i l e S W o f H a l e p i u l a r a i n s h e d n e a r H u a l a l a i Ranch b n d r y .

P. Banko: no b i r d s found / Puuwaawaa Ranch, 0 .5 mile SW o f H a l e p i u l a r a i n s h e d n e a r H u a l a l a i Ranch b n d r y .

P. Banko: p a i r p r e s e n t , no n e s t found b u t a d u l t s b e h a v i n g as i f n e s t i n g / 0.75 m i l e NE o f Kaupu lehu , n e a r H u a l a l a i Ranch-Puuwaawaa Ranch b n d r y .

P. Sanko: p a i r w i t h f l e d g l i n g s e e n / 0.75 mile NE o f Kaupu lehu , n e a r ~ u a l a l a i Ranch-Puuwaawaa Ranch b n d r y .

P. Banko: a t l e a s t 2 a d u l t s and 3 f l e d g l i n g s found ; a p p a r e n t merg ing o f f a m i l i e s / 0 .75 m i l e NE o f Kaupu lehu , n e a r H u a l a l a i Ranch-Puuwaawaa Ranch b n d r y .

P . Banko: p a i r w i t h 1 f l e d g l i n g and p a i r w i t h 2 f l e d g l i n g s s e e n d u r i n g n e a r l y 2 h o u r s o b s e r v a t i o n / 0.75 m i l e NE o f Kaupulehu , n e a r H u a l a l a i Ranch-Puuwaawaa Ranch b n d r y .

8 J u l y 1 9 7 4

9 O c t . 1974

1 7 J u n e 1975

11 J u l y 1975

3 Aug. 1975

28 May 1976

8 J u l y 1976

2 1 J u l y 1976

4750 22 J u l y 1976

Page 75: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f ~ a w a i ' i - - ( C o n t i n u e d )

~ a ' i j - p G l e h u P r o d u c t i o n H i s t o r y - Mauka H a l e p i u l a Ra inshed ( c o n ' t. )

1 3 0 P. Banko: same 2 f a m i l i e s a s o n 22 J u l y 4800 23 J u l y 1976 a l t e r n a t e l y m i n g l e d and s e p a r a t e d d u r i n g 5 h o u r s o b s e r v a t i o n / 0 .75 m i l e NE o f Kau- p u l e h u , n e a r H u a l a l a i Ranch-Puuwaawaa Ranch b n d r y .

Pu ' uwa ' awa ' a P r o d u c t i o n H i s t o r y - Makai H a l e p i u l a Ra inshed

1 3 1 W . Banko: Kosaka , Wa lke r , Woodside: f ound 4600 26 A p r i l 1 9 7 3 n e s t . . . r e m a i n e d i n v i c i n i t y ... f e m a l e r e t u r n e d i n a b o u t a n hou r ... many l e h u a b l o s s o m s n o t e d on g r o u n d / a b o u t 0 .5 m i l e be low H a l e p i u l a r a i n s h e d

1 3 2 W . and P. Banko: v i s i t e d n e s t s i t e b u t 4600 1 2 May 1973 found n e i t h e r n e s t t r e e n o r 'Ala la / a b o u t 0 .5 m i l e be low H a l e p i u l a r a i n s h e d

1 3 3 W. Banko: Kosaka v i s i t e d n e s t s i t e . . . f o u n d 4600 25 J u l y 1973 d e s e r t e d / a b o u t 0 .5 mile below H a l e p i u l a r a i n s h e d

1 3 4 P. Banko: found p a i r , n e s t w i t h 3 n e s t l i n g s ; 4680 1 3 J u n e 1974 l o n e a d u l t o n p e r i p h e r y o f n e s t t e r r i t o r y / Puuwaawaa Ranch, 0 .5 mile ESE o f H a l e p i u l a r a i n s h e d

1 3 5 P. Banko: 1 n e s t l i n g o n l y found ; l o n e a d u l t i n n e s t t e r r i t o r y / Puuwaawaa Ranch, 0 .5 mile ESE H a l e p i u l a r a i n s h e d

1 3 6 P. Banko: banded n e s t l i n g -09 / Puuwaawaa Ranch , 0 .5 m i l e ESE H a l e p i u l a r a i n s h e d

4680 3 J u l y 1974

4680 1 5 J u l y 1974

Page 76: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

P. Banko: p a r e n t s and -09 f l e d g l i n g o b s e r v e d 4680 9 O c t . 1974 / Puuwaawaa Ranch, 0 .2 mile WNW o f n e s t

P. Banko: f o u n d p a i r , n e s t l i n g banded -12 / 4680 1 7 J u n e 1975 Puuwaawaa Ranch, 0 .2 mile WNW o f 1974 n e s t

P. Banko: s a w p a i r w i t h -12 f l e d g l i n g / 4700 1 2 J u l y 1 9 7 5 Puuwaawaa Ranch, 1 . 8 miles E o f n e s t and 1 mile SSE o f Poohohoo

P. Banko: p a i r f ound w i t h empty n e s t / 4920 27 May 1976 0 .65 mile S E H a l e p i u l a r a i n s h e d

P. Banko: 1 a d u l t i n n e s t , a n o t h e r n e a r b y 4920 1 6 J u n e 1976 / 0.65 m i l e SE H a l e p i u l a r a i n s h e d

P. Banko: p a i r i n t e r r i t o r y ; n e s t empty ; 4920 22 J u l y 1976 no p r o d u c t i o n / 0 .65 mile SE H a l e p i u l a r a i n s h e d

HSFG :

HSFG:

HSFG:

HSFG:

1 4 2 e HSFG:

1 4 2 f HSFG:

Ka 'EpElehu P r o d u c t i o n H i s t o r y - U n d e s i g n a t e d S i t e

1 f l e d g e d f rom Nest 1 ( s a l v a g e d ) 3500

p a i r a t N e s t 2A, 1 a d u l t on n e s t 4550 Nest 2A empty and abandoned

N e s t 2B u n s u c c e s s f u l ( r e n e s t e f f o r t o f p a i r 2A)

2 f l e d g e d , 1 s a l v a g e d f rom Nest 5 5050

1 f l e d g e d f rom N e s t 6 ( s a l v a g e d ) 5420

pa i r a t Nest 78-1A b r e a k i n g and .... c a r r y i n g t w i g s p a i r a t Nest 78-1A c o u r t i n g p a i r a t N e s t 78-1A i n c u b a t i n g

1 3 J u n e 1977

1 2 A p r i l 1977 26 A p r i l 1977

26 J u n e 1977

1 4 J u n e 1977

21 March 1978

5 A p r i l 1 9 7 8 1 3 A p r i l 1 9 7 8 5-10 May 1 9 7 8 N e s t 78-1A f a i l e d , 1 egg s e e n

Page 77: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i - - ( C o n t i n u e d )

Ka ' cpE lehu P r o d u c t i o n H i s t o r y - U n d e s i g n a t e d S i t e ( c o n ' t . )

1 4 2 9 HSFG: p a i r 78-1A r e n e s t e d (78-1B) N e s t 78-1B d e s e r t e d

.... 10-22 May 1978 6 J u n e 1978

1 4 2 h HSFG: p a i r a t N e s t 78-2 d e f e n d i n g t e r r i t o r y .... 5 A p r i l 1 9 7 8 e g g s b e i n g i n c u b a t e d 1 3 A p r i l 1978 2 young h e a r d 1 0 May 1978 b r o o d i n g s t o p p e d 22 May 1978 f i r s t n e s t l i n g f l e d g e d 8 J u n e 1978 s e c o n d n e s t l i n g f l e d g e d 1 5 J u n e 1978

~ a ' G p E l e h u P r o d u c t i o n H i s t o r y - ENE Moanuiahea Rad io R e l a y S t a t i o n

1 4 3 W . Banko: found n e s t ; c o n t e n t s unobse rv - ca. 3600 1 2 J u n e 1970 a b l e ; h e a r d 3 a d u l t s / a b o u t 1 . 3 miles ENE Moanuiahea r a d i o r e l a y s t a t i o n

144 W. Banko: s a l v a g e d 1 d i s e a s e d f l e d g l i n g / c a . 3600 1 9 J u n e 1970 a b o u t 1 . 3 m i l e s ENE Moanuiahea r a d i o r e l a y s t a t i o n

1 4 5 W . Banko: f o u n d a n o t h e r n e s t ; s a l v a g e d o n e 3500 1 8 , 1 9 J u n e 1970 d i s e a s e d f l e d g l i n g / a b o u t 1 .4 miles ENE Moanuiahea r a d i o r e l a y s t a t i o n (ca . 3400 f t . e l . and 0 .25 mile d i s t a n t f rom n e s t f ound 1 2 J u n e )

1 4 6 W. Banko: 2 pa i r s s e e n and h e a r d ; 1 n e s t 3500 7 J u n e 1971 found ( s i t e o f n e s t f ound 1 8 J u n e 1 9 7 0 ) / a b o u t 1.4 miles ENE Moanuiahea r a d i o r e l a y s t a t i o n

147 W . Banko: 1 n e s t l i n g b a r e l y v i s i b l e i n 3500 29 J u n e 1 9 7 1 n e s t ; p a r e n t s o n l y h e a r d d i s t a n t l y / a b o u t 1 . 4 miles ENE Moanuiahea r a d i o r e l a y s t a t i o n

Page 78: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

1 4 8 W. Banko: n e s t area found d e s e r t e d ; f r u i t - 3500 9 J u l y 1 9 7 1 l e s s g r o u n d s e a r c h f o r c l u e s o f n e s t l i n g ' s f a t e ; n e s t u n r e a c h a b l e / a b o u t 1 . 4 miles ENE Moanuiahea r a d i o r e l a y s t a t i o n

1 4 9 W . Banko: p a i r s e e n a s s o c i a t i n g w i t h t h i r d .... 3 J u n e 1972 b i r d n e a r f o r m e r n e s t t r ee ; p a i r p r e s u m a b l y n o t n e s t i n g / a b o u t 1 . 4 miles ENE Moanuiahea r a d i o r e l a y s t a t i o n

150 W . and P. Banko: p a i r and n e s t w i t h 4 e g g s 3440 1 2 May 1 9 7 3 found / 1 . 3 miles ENE o f Moanuiahea r a d i o r e l a y s t a t i o n

1 5 1 W . and P. Banko: n e s t w i t h 4 e g g s s t i l l 3440 23 May 1973 p r e s e n t / 1 . 3 mi les ENE o f Moanuiahea r a d i o r e l a y s t a t i o n

1 5 2 W. and P. Banko: 2 downy young i n n e s t / 3440 1 J u n e 1 9 7 3 1 . 3 miles ENE o f Moanuiahea r a d i o r e l a y s t a t i o n

1 5 3 W , and P. Banko: 2 f l e d g e d young s e e n / 3440 1 0 J u l y 1 9 7 3 1 . 3 miles ENE o f Moanuiahea r a d i o r e l a y s t a t i o n

1 5 4 W. and P. Banko: 1 young banded -03, i t s 3440 11 J u l y 1 9 7 3 f l i g h t l e s s s i b l i n g n e a r g r o u n d s a l v a g e d / 1 . 3 miles ENE o f Moanuihea r a d i o r e l a y s t a t i o n

1 5 5 W . and P. Banko: p a i r w i t h 1 n e s t l i n g s e e n / 1 . 3 miles ENE Moanuihea r a d i o r e l a y s t a t i o n

3480 2 J u n e 1974

156 W . and P, Banko: n e s t t e r r i t o r y d e s e r t e d / 3480 27 J u n e 1974 1 . 3 miles ENE Moanuihea r a d i o r e l a y s t a t i o n

1 5 7 P . Banko: pa i r s e e n ; f l e d g l i n g banded -11 / 3480 1 3 J u n e 1975 1 . 3 miles ENE Moanuihea r a d i o r e l a y s t a t i o n

Page 79: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i - - ( C o n t i n u e d )

Ka'GpGlehu P r o d u c t i o n H i s t o r y - ENE Moanuiahea R a d i o R e l a y S t a t i o n ( c o n ' t . )

1 5 8 P. Banko: n e s t t e r r i t o r y found d e s e r t e d / 3480 1 . 3 miles ENE Moanuihea r a d i o r e l a y , s t a t i o n

1 5 9 P. Banko: p a i r and f l e d g l i n g -11 s i g h t e d / 3900 n e a r Ka loko D r i v e , 2.25 miles S o f 3480 f t . n e s t

160 P. Banko: pa i r w i t h 1 n e s t l i n g found / 3580 1 . 3 miles ENE o f Moanuiahea r a d i o r e l a y s t a t i o n

1 3 J u l y 1975

2 Aug. 1 9 7 5

26 May 1976

1 6 1 P. Banko: f l e d g l i n g s e e n n e a r n e s t / 1 . 3 m i l e s ENE o f Moanuiahea r a d i o r e l a y s t a t i o n

3580 1 6 J u n e 1976

~ a ' EpElehu P r o d u c t i o n H i s t o r y - H i n a k a p o u l a

1 6 2 W . Banko: f o u n d p a i r w i t h n e s t / 1.1 miles 4200 NW H i n a k a p o u l a

1 6 3 W . Banko: pa i r found n e a r d e s e r t e d empty 4200 n e s t ; r e m n a n t s o f b r o k e n p a r t i a l l y c r u s h e d e g g o n g r o u n d / 1.1 miles NW H i n a k a p o u l a

164 W. and P. Banko: p a i r f ound / 1 . 8 miles 4040 NW H i n a k a p o u l a

1 6 5 P. Banko: p a i r w i t h p r o b a b l e f l e d g l i n g o r 4040 j u v e n i l e s e e n / on unnamed Puu 1 . 8 miles NW H i n a k a p o u l a

166 P. Banko: no b i r d s found / on unnamed Puu 4040 1 . 8 miles NW H i n a k a p o u l a

3 J u n e 1972

20 J u n e 1972

11 May 1973

1 2 J u n e 1974

29 J u n e 1974

Page 80: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

P. Banko: pa i r w i t h f l e d g l i n g ; no n e s t f ound / unnamed Puu 0.7 m i l e WNW o f H i n a k a p o u l a

3 J u l y 1974

11 J u l y 1974 P. Banko: f a m i l y o f 3 p r e s e n t i n n e s t t e r r i t o r y / unnamed Puu 0 .7 m i l e WNW o f H i n a k a p o u l a

3 O c t . 1974 P. Banko: 1 a d u l t h e a r d i n v i c i n i t y of n e s t t e r r i t o r y . . . f a m i l y n o t s e e n / .unnamed Puu 0 .7 mile WNW o f H i n a k a p o u l a

P. Banko: p a i r s e e n b u t no n e s t o r juve- n i l e s found / a t t w i n p i t c r a t e r s , 1 . 2 miles WNW o f H i n a k a p o u l a

13 J u n e 1975

P. Banko: p a i r s e e n b u t no n e ' s t o r j uve - n i l e s f o u n d / a t t w i n p i t c r a t e r s , 1 . 2 miles WNW o f H i n a k a p o u l a

1 7 J u n e 1975

P. Banko: no b i r d s found i n area / on un- named Puu 1 . 8 miles NW H i n a k a p o u l a

1 7 J u n e 1975

2 Aug. 1 9 7 5 P. Banko: no b i r d s found i n a r e a / on un- named Puu 1.1 miles ESE Moanuiahea r a d i o r e l a y s t a t i o n

P. Banko: no b i r d s found i n area / a t t w i n p i t c r a t e r s , 1 . 2 miles WNW o f H i n a k a p o u l a

3 Aug. 1 9 7 5

26 May 1976 P. Banko: p a i r s e e n b u i l d i n g n e s t , 0 .5 t o 0 .75 p e r c e n t c o m p l e t e d / 1 mile WNW Hinaka- p o u l a n e a r e d g e o f Kaupulehu l a v a f l o w

P. Banko: n e s t m i s s i n g , p a i r n o t a t n e s t s i t e b u t p r e s e n t a t 4600 f t . t w i n p i t c r a t e r s / 1 m i l e WNW H i n a k a p o u l a n e a r e d g e o f Kaupulehu l a v a f l o w

8 J u l y 1976

4760 1 6 J u l y 1976 P. Banko: no b i r d s s e e n o r h e a r d i n 1 . 5 hou r s e a r c h / 1 m i l e WNW H i n a k a p o u l a n e a r e d g e o f Kaupulehu l a v a f l o w

Page 81: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i-- ( C o n t i n u e d )

Ka'GpTilehu P r o d u c t i o n H i s t o r y - H i n a k a p o u l a ( c o n ' t . )

P. Banko: no b i r d s s e e n o r h e a r d i n 1 . 2 5 hou r s e a r c h / 1 mile WNW H i n a k a p o u l a n e a r e d g e o f Kaupulehu l a v a f l o w

4760 2 3 J u l y 1976

K a u l a n a , ~ a k a ' u l a 'O'oma T r a c t , Ka loko

W. Banko: V r e d e n b e r g r e c a l l e d p l e n t y , maybe 100-200 / Huehue Ranch

Baldwin : a b o u t a d o z e n h e a r d . . .g r o u p o f 4 f l e w by , o t h e r s i n p a i r s o r a l o n e / i n t h e a r e a o f 6-8 s q . miles w e c o u l d o v e r l o o k f rom t h e c i n d e r cone. . .3500-4000 f t . a b o v e Huehue Ranch hdqs .

Ba ldwin : c o l l e c t e d spec imen / a b o u t 3500- 4000 i t . n e a r c i n d e r c o n e s a t end o f s t o n e wall more t h a n 1 . 5 miles a b o v e Huehue Ranch hdqs .

V r e d e n b e r g r e c a l l e d 'Ala la were f a i r l y common / a c o u p l e o f miles above Huehue Ranch hdqs .

W . Banko: V r e d e n b e r g r e c a l l e d v e r y few 'Alala r e m a i n e d , maybe 1 0 o r 1 2 when h e l e f t Ranch / Huehue Ranch

W. Banko: W i l l i a m s r e c a l l e d f rom 2 t o 6 'Ala la u sed t o come down a r o u n d Hdqs. (2000 f t . e l . ) o n c e o r twice a y e a r d u r i n g w i n t e r wind and r a i n s t o r m s / Huehue Ranch

W. Banko: W i l l i a m s d i d n o t r e c a l l 'A la l a a r o u n d Ranch h d a s . / Huehue Ranch

... . e a r l y 1 9 4 0 ' s ( 8 O c t . 1 9 7 0 )

.... 9 S e p t . 1949

.... 9 S e p t . 1949

.... 9 S e p t . 1949

.... 1958 ( 8 O c t . 1 9 7 0 )

.... 1962-1964 ( 1 6 S e p t . 1 9 6 9 )

Page 82: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

W . Banko: u n s u c c e s s f u l s e a r c h / Kaloko j e e p .... t r a i l s , Huehue Ranch

W . Banko: C r a c k e l o b s e r v e d a f ew t o a p p e a r 1900 on ra re o c c a s i o n s / a t r e s i d e n c e n e a r F o r e s t R e s e r v e b n d r y . , Ooma 1, ( 2 miles N o f Hono- kohau 1 mauka j e e p t r a i l )

26 S e p t . 1969

1970-1975

W . Banko: C r a c k e l saw and h e a r d 2 (0600 h o u r s ) / a t r e s i d e n c e n e a r F o r e s t R e s e r v e bndry . ! Ooma 1 ( 2 miles N o f Honokohau 1 mauka j e e p t r a i l )

1900 20 Aug. 1 9 7 5

two / mauka end o f Ka loko Mauka s u b d i v i s i o n .... r o a d s y s t e m

HSFG: s a w 4 on s u r v e y / Kaloko S u b - D i v i s i o n 3220

HSFG: saw 8-10 on s u r v e y s / Kaloko Sub- 4000 D i v i s i o n

HSFG: s a w 2 on s u r v e y s / Kaloko S u b - D i v i s i o n 4940

HSFG: saw 2 o n s u r v e y s / Kaloko S u b - D i v i s i o n

HSFG: r e p o r t e d b u t n o t f ound on s u r v e y s / Kaloko s u b d i v i s i o n

HonokEhau 1 ( P a l a n i Ranch)

90 W. Banko: Vaughn and o t h e r s saw a t l e a s t 4 and p o s s i b l y 6 / mauka Honokohau 1, e x t r e m e SE c o r n e r , n e a r l y 1 mile W o f H u a l a l a i S h e e p S t a t i o n

1 9 1 W. Banko: R. G r e e n w e l l h e a r d 'Alala / n e a r bnd ry . o f Honokohau 1 and K e a l a k e h e Mauka

1 9 2 W . Banko: s e a r c h e d u n s u c c e s s f u l l y / Honokohau 1

5 Nov. 1976

1 7 Aug. 1976

2 1 S e p t . 1976

4 A p r i l 1977

2 1 A p r i l 1977

1 J u l y 1977 - 30 J u n e 1 9 7 8

21 J u n e 1968

22 S e p t . 1969

26 S e p t . 1969

Page 83: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f Hawai' i-- ( C o n t i n u e d )

~ o n o k b h a u 1 ( P a l a n i Ranch) ( c o n ' t . )

W. Banko: L a n d g r a f : w a k i d a h e a r d ' A l a l a / a l o n g F o r e s t R e s e r v e b n d r y . and Honokohau 1

W. Banko: Campbel l r e p o r t e d c o u n t i n g 8 and h e a r i n g 1 o r 2 more / a b o u t 2 miles mauka o f P a l a n i j u n c t i o n i n Honokohau 1

G i f f i n : saw 6 a t o n e time, h e a r d 2 o t h e r s c a l l i n g / Honokohau 1

W. Banko: G i f f i n saw 6 and h e a r d 2 more / a b o u t 1 m i l e a b o v e P a l a n i j u n c t i o n , Hono- kohau 1

G i f f i n saw 6 , h e a r d 2 o t h e r s / o n t h e W f l a n k o f H u a l a l a i (?Honokohau 1)

G i f f i n saw 9 i n l a t e Augus t / W f l a n k o f H u a l a l a i ( ?Honokohau 1 )

W . Banko: saw 2 and h e a r d 2 more; 6 more s e e n and h e a r d w i t h i n t h e hou r ( 1 0 t a l l i e d b u t may h a v e t o t a l e d no more t h a n 6 i n d i v i - d u a l s ) / Honokohau 1

W . Banko: 2 s e e n and h e a r d / Honokohau 1

W. Banko: saw and h e a r d o n l y 2 i n a f t e r - noon s e a r c h ; c o n t i n u o u s a s c e n t , d e s c e n t i n 200 f t . e l . 10 -minu t e l i s t e n i n g i n t e r v a l s / - Honokohau 1, f rom b e l t Highway t o 5000 f t . e l .

USFWS: 1 s e e n , s i l e n t / Honokohau 1 3520

W . Banko: saw and h e a r d none / Honokohau 1 5250

W . Banko: h e a r d 4 , saw 1 i n 0520-0830 hou r 4200- s e a r c h / Honokohau 1 4600

1 9 Mar. 1970

26 Aug. 1970

6 O c t . 1970

26 O c t . 1970

26 O c t . 1970

( 2 6 S e p t . 1 9 7 0 )

25 May 1 9 7 1

25 May 1 9 7 1

1 5 J u n e 1 9 7 1

26 A p r i l 1 9 7 2

1 5 J u n e 1972

20 J u n e 1972

Page 84: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

205 W . Banko: c o n c l u d e f rom r e c e n t o b s e r v a t i o n s .... 21 J u n e 1972 t h a t 3 p a i r s ( 2 p a i r s u n s u c c e s s f u l i n 1 9 7 2 , o c c u p y Honokohau 1)

206 W . Banko: none s e e n o r h e a r d w h i l e camped / 4200 4 J u l y 1972 Honokohau 1

207 W . Banko: Bryan h e a r d l . . . t h e f i r s t h e h a s .... 21 May 1973 n o t e d on H u a l a l a i f o r a l o n g time / s h o r t way be low R. G r e e n w e l l m o u n t a i n h o u s e , Honokohau 1

208 W . and P. Banko: c o u n t e d a t l e a s t 9 , i n - 4050 27 J u n e 1 9 7 3 c l u d i n g a t l e a s t 1 j u v e n i l e , i n l o o s e f l o c k . . . h e a r d 2 more. . .1800-1830 h o u r s . . .when added t o a t l e a s t 2 P a u l h e a r d e a r l i e r n e a r s c r u b zone makes a t l e a s t 1 3 f o r K a i l u a s l o p e o f H u a l a l a i / a l o n g mauka-makai j e e p t r a i l , Honokohau 1

209 P . Banko: a t l eas t 6 a d u l t s c a l l i n g t o g e t h e r 4000 21 J u l y 1974 b e f o r e dawn; f l o c k o f 4 f l e d g l i n g s p l u s some- w h a t s e p a r a t e d f a m i l y g r o u p o f 2 a d u l t s and 2 f l e d g l i n g s s e e n , i n a d d i t i o n t o a n o t h e r f l e d g l i n g h e a r d w i t h p a r e n t s ( t o t a l . o f 7 f l e d g l i n g s , and up t o 1 4 a d u l t s p r e s e n t , no banded o n e s s e e n ) / Honokohau 1

210 P. Banko: 5 s u b - g r o u p s o f a l o o s e agg rega - 4000 25 S e p t . 1974 t i o n s e e n a s f o l l o w s : (1) 1 a d u l t w i t h f l e d g l i n g -4 and j u v e n i l e -2; ( 2 ) 2 a d u l t s w i t h o n e unbanded f l e d g l i n g ; ( 3 ) . p a i r w i t h 2 f l e d g l i n g s , 1 unbanded , 1 band s t a t u s un- d e t e r m i n e d ; ( 4 ) pair w i t h p o s s i b l y 1 f l e d g - l i n g ; ( 5 ) a t l e a s t 2 a d u l t s / Honokohau 1

P. Banko: s e v e r a l s u b g r o u p s o f l o o s e a g g r e - 4000 1, 2 O c t . 1974 g a t i o n ( b u t n o t a l l o b s e r v e d ) as f o l l o w s : (1) 2 a d u l t s w i t h unbanded f l e d g l i n g ; ( 2 ) 1 a d u l t w i t h f l e d g l i n g -4 and j u v e n i l e -2; ( 3 ) u n d e t e r m i n e d number o f o t h e r p a i r s w i t h f l e d g l i n g s h e a r d b u t n o t s e e n ( a p p r o x i m a t e l y same a g g r e g a t i o n a l s o s e e n 2 O c t . ) / Hono- kohau 1

Page 85: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d of H a w a i ' i - - ( C o n t i n u e d )

~ o n o k G h a u 1 ( P a l a n i Ranch) ( con ' t. )

212 W . banko: F i t z g i b b o n s saw p r o b a b l y 7-20... 1400 a p p e a r e d t o b e s e a r c h i n g f o r f ood / n e a r r e s i d e n c e b u t f l y i n g maka i a s f a r a s B e l t Highway, Honokohau 1

213 P. Banko: p a i r s e e n / Honokohau 1, 0.4 m i l e .... S P a l a n i Ranch r o a d

213a HSFG: saw 4 on s u r v e y / P a l a n i Ranch 2860- 3280

213b HSFG: saw 1 o n s u r v e y / P a l a n i Ranch 4800

2 1 3 c HSFG: saw 2 o n s u r v e y / P a l a n i Ranch 5700

213d HSFG: saw 3 on s u r v e y / P a l a n i Ranch 5000

213e HSFG: h e a r d 1 on s u r v e y / P a l a n i Ranch 3500

213 f HSFG: s a w 1 0 on s u r v e y / P a l a n i Ranch 3400- 3780

213g HSFG: h e a r d 2 and saw 2 on s u r v e y '/ P a l a n i 3400- Ranch 4700

213h HSFG: saw 2 on s u r v e y / P a l a n i Ranch 3600

2 1 3 i HSFG: s a w 2 on s u r v e y / P a l a n i Ranch 4900

2 1 3 j HSFG: saw 1 on s u r v e y / P a l a n i Ranch 4440

213k HSFG: a f t e r 1 9 7 8 b r e e d i n g s e a s o n t h e P a l a n i .... Ranch p o p u l a t i o n c o n s i s t e d o f 1 p a i r s u c c e s s - f u l b r e e d i n g a d u l t s + 1 f l e d g l i n g ( d i e d a f t e r l e a v i n g n e s t )

Nov. 1974 ( 2 5 A p r i l 1 9 7 5 )

2 Aug. 1 9 7 5

23 S e p t . 1976

1 8 J a n . 1977

27 Mar. 1 9 7 7

22 A p r i l 1977

25 O c t . 1977

26 O c t . 1977

1 5 Nov. 1977

7 Dec. 1977

25 A p r i l 1 9 7 8

1 6 May 1 9 7 8

30 J u n e 1978

Page 86: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

~ o n o k c h a u 1 ( P a l a n i Ranch) P r o d u c t i o n H i s t o r y

214 W. Banko: 3 o r p o s s i b l y 4 hea rd . . . f ound 4200 1 n e s t . . . h e a r d 1 b e i n g f e d ( 1 9 7 2 o f f s p r i n g o f a n o t h e r p a i r ? ) / d e s c e n t f rom camp a t 5250 f t . e l . t o 4200 f t . e l . and r e t u r n , P a l a n i Ranch

215 W . Banko: h e a r d 2 p a i r s c a l l i n g , 1 w i t h 4200 n e s t and 1 w i t h o u t , 0545-0615 hours . . . con- c l u d e d a f t e r 0645-0815 h o u r s t h a t n e s t was i n a c t i v e / Honokohau 1

216 W . and P. Banko: pa i r w i t h n e s t c o n t a i n i n g 4850 1 n e s t l i n g found / Honokohau 1, a b o u t 0 .5 m i l e WNW o f abandoned m o u n t a i n c a b i n

217 W . and P. Banko: j u v e n i l e f l e d g e d and 4850 banded -02 / Honokohau 1, a b o u t 0.5 mile WNW P a l a n i Ranch m o u n t a i n c a b i n

218 W . and P. Banko: saw f a m i l y ( p a r e n t s w i t h .... -02 f l e d g l i n g ) / Honokohau 1, 0.2 mile WNW f rom n e s t

219 P . Banko: found n e s t , c o n t e n t s u n o b s e r v a b l e 4850 (same n e s t t r ee as i n 1 9 7 3 ) / Honokohau 1, a b o u t 0.5 mile WNW P a l a n i Ranch m o u n t a i n c a b i n

220 P. Banko: p a i r w i t h 2 n e s t l i n g s / Hono- 4650 kohau 1, a b o u t 0 .65 mile WNW o f P a l . a n i Ranch m o u n t a i n c a b i n

221 P. Banko: 2 n e s t l i n g s p r e s e n t / Honokohau 1, 4850 a b o u t 0 .5 mile WNW P a l a n i Ranch m o u n t a i n c a b i n

222 P. Banko: b o t h n e s t l i n g s f l e d g e d / Hono- 4650 kohau 1 a b o u t 0.65 mile WNW o f P a l a n i Ranch m o u n t a i n c a b i n

1 6 J u n e 1972

4 J u l y 1972

8 J u n e 1973

1 3 J u n e 1 9 7 3

28 J u n e 1973

3 1 May 1974

1 J u n e 1974

2 J u n e 1974

26 J u n e 1974

Page 87: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f Hawai i-- ( C o n t i n u e d )

Honokzhau 1 ( P a l a n i Ranch) P r o d u c t i o n H i s t o r y ( c o n ' t .)

P. Banko: 2 n e s t l i n g s f l e d g e d ; banded 1 4850 4 J u l y 1974 -04, o t h e r n o t c a p t u r e d / Honokohau 1, a b o u t 0.5 mile WNW P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: n e s t t e r r i t o r y d e s e r t e d ( f a m i l y 4000 21 J u l y 1974 p r o b a b l y s e e n as p a r t o f p o s t - b r e e d i n g f l o c k 1 O c t . ) / Honokohau 1, a l o n g P a l a n i Ranch r o a d

P. Banko: saw Honokohau 1 f a m i l y w i t h 1973 3900 1 O c t . 1974 and 1974 banded o f f s p r i n g - p a r t o f 3-6 f a m i l i e s 1 f l o c k ( i n c l u d i n g j u v e n i l e s ) / Honokohau 1, a b o u t 0 .1 mile S o f ma in P a l a n i Ranch r o a d

P. Banko: s e a r c h e d u n s u c c e s s f u l l y f o r n e s t - 4850 1 2 J u n e 1975 i n g a c t i v i t y / Honokohau 1, a b o u t 0.5 mile ( 1 3 J u l y 1 9 7 5 ) WNW P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: pa i r w i t h 1 f l e d g l i n g banded -10 4650 1 2 J u n e 1975 / Honokohau 1, a b o u t 0.65 mile WNW o f P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: n e s t area d e s e r t e d / Honokohau 1, 4650 1 4 J u l y 1 9 7 5 a b o u t 0 .65 m i l e WNW o f P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: pair o n l y s e e n / Honokohau 1, 4650 2 Aug. 1 9 7 5 a b o u t 0 .65 mile WNW o f P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: n e s t w i t h 2 f l e d g l i n g s found / 4850 1 J u l y 1976 Honokohau 1, P a l a n i Ranch r o a d 0 .65 m i l e WNW o f P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: saw p a r e n t s w i t h 2 f l e d g l i n g s 5120 9 J u l y 1 9 7 6 found 1 J u l y / Honokohau 1

Page 88: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

233 P. Banko: n o n e h e a r d o r s e e n i n n e s t area 4850- 1 6 J u l y 1976 i n 30 min. s e a r c h / Honokohau 1 5120

234 P. Banko: p a i r w i t h 2 j u v e n i l e s and p a i r 4000 1 0 Aug. 1976 w i t h 1 j u v e n i l e ( n e s t area unknown) s e e n / Honokohau 1 a l o n g P a l a n i Ranch r o a d

K e a l a k e h e Mauka T r a c t , H o n u a ' u l a T r a c t 2 and F o r e s t R e s e r v e

235 s e v e r a l p a i r s n o t e d / H o l u a l o a F o r e s t R e s e r v e 4000 May 1940

236 S h i f f e r t : saw i n u n s p e c i f i e d numbers / 6500 O c t . 1940 P u u l a a l a a u , a b o v e Honuau la F o r e s t R e s e r v e

237 F. G r e e n w e l l : b e l i e v e d ' A l a l a t o b e con- 2000- 1 9 4 3 f i n e d / from Honuau la F o r e s t R e s e r v e t o t h e 5500 e d g e o f Kaupulehu o n t h e W f l a n k o f H u a l a l a i

238 W . Banko: Pung found 'Ala la a b u n d a n t ca. 6000 1949-1951 d u r i n g summers / SW s l o p e s o f H u a l a l a i ( 2 3 Dec. 1 9 6 6 )

239 W. Banko: F e r g e r s t r o m saw l o t s o f c rows .... 2-4 Mar. 1 9 5 2 ( g u e s t book a t F o r e s t r y c a b i n ) / Honu.aula Ranger S t a t i o n

240 W . Banko: J o h a n s e n saw 'Ala la / when h u n t i n g .... e a r l y 1 9 6 0 ' s i n t h e f o r e s t be low F o r e s t r y c a b i n on ( 1 0 J u n e 1 9 6 9 ) H u a l a l a i

241 P. Banko: h e a r d 2 o r 3 , 1 p o s s i b l y a 5800- 27 J u n e 1 9 7 3 j u v e n i l e / Honuau la T r a c t 2 , 0 .25 mile WNW 5900 o f Lae Koa

242 P. Banko: pa i r s e e n / K e a l a k e h e Mauka T r a c t , 4030 1 O c t . 1974 1 . 2 miles SSW P a l a n i Ranch m o u n t a i n c a b i n

243 P. Banko: p a i r s e e n , p o s s i b l y d r i v e n down 2650 2 O c t . 1974 by bad w e a t h e r mauka / K e a l a k e h e Mauka T r a c t , n e a r bnd ry . o f Keahuo lu ( e s s e n t i a l l y a c a t t l e p a s t u r e )

DONW 4 0

BALP69

Page 89: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i-- ( C o n t i n u e d )

H o n u a ' u l a T r a c t 2 ( P a l a n i Ranch) P r o d u c t i o n H i s t o r y

W. and P. Banko: p a i r and f l e d g l i n g n e a r n e s t banded -01 / Honuau l a T r a c t 2 , 0.4 mile SE P a l a n i Ranch m o u n t a i n c a b i n

W . and P. Banko: f a m i l y n e a r n e s t s i t e / H o n u a u l a T r a c t 2 , 0.4 mile SE P a l a n i Ranch m o u n t a i n c a b i n

W . and P. Banko: n e s t t e r r i t o r y d e s e r t e d / H o n u a u l a T r a c t 2 , 0.4 m i l e SE P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: pa i r w i t h 2 w e l l - d e v e l o p e d n e s t - l i n g s / Honuau l a T r a c t 2 , 0.4 mile ESE P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: p a i r w i t h 2 n e s t l i n g s banded -05 and -06 / Honuau l a T r a c t 2 , 0.4 mile ESE P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: 2 young f l e d g e d , n e a r n e s t / H o n u a u l a T r a c t 2 , 0.4 mile ESE P a l a n i Ranch m o u n t a i n c a b i n

P. Banko: p a i r w i t h n e s t and 1 o r 2 n e s t - l i n g s / Honuau l a T r a c t 2 , 0.4 m i l e W o f Lae Koa

P. Banko: n e s t t e r r i t o r y d e s e r t e d / Honua- u l a T r a c t 2 , 0.4 m i l e W o f Lae Koa

P. Banko: p a i r w i t h 2 f l e d g l i n g s banded -13 and -14 / Honuau l a T r a c t 2 , 0.4. mile W o f L a e Koa

P. Banko: n e s t t e r r i t o r y d e s e r t e d / Honuau l a T r a c t 2 , 0.4 mile W o f ~ a e Koa

9 J u n e

1 3 J u n e 1 9 7 3

27 J u n e 1 9 7 3

26 J u n e 1974

4 J u l y 1974

2 1 J u l y 1974

26 J u n e 1974

21 J u l y 1974

1 8 J u n e 1 9 7 5

1 4 J u l y 1 9 7 5

Page 90: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

254 P. Banko: pa i r p r e s e n t b u t no n e s t f ound / 5700 Honuau la T r a c t 2 , 0.4 mile W o f Lae Koa

255 P. Banko: none s e e n o r h e a r d i n 4.5 hou r 5700 s e a r c h / Honuaula T r a c t 2 , 0.4 mile W o f Lae Koa

256 P. Banko: none s e e n o r h e a r d i n 6 hou r 5700 s e a r c h / Honuau la T r a c t 2 , 0.4 mile W o f Lae Koa

257 P. Banko: p a i r p r e s e n t b u t no n e s t f ound / 5500 Honuau la T r a c t 2 , 0.4 mile ESE P a l a n i Ranch m o u n t a i n c a b i n

258 P. Banko: n e s t t e r r i t o r y d e s e r t e d / Honuaula 5500 T r a c t 2 , 0.4 m i l e ESE P a l a n i Ranch m o u n t a i n c a b i n

259 P. Banko: b i r d -06 s e e n , 5 o t h e r s n e a r / 5640 Ka loko , 0 .2 m i l e SW H i n a k a p o u l a

260 P. Banko: s a w 1 9 7 3 banded -02 and unbanded 5600 b i r d / Kaloko , ca. 0 .2 mile SW o f H i n a k a p o u l a

261 P. Banko: saw 1, p o s s i b l y h e a r d a n o t h e r / 5500 Honuau la T r a c t 2 , 0.4 mile SE P a l a n i Ranch m o u n t a i n c a b i n

262 P. Banko: none s e e n o r h e a r d i n t o t a l 6 .75 5500 hou r s e a r c h ( 9 J u l y and 11 Aug. ) / Honuaula T r a c t 2 , 0.4 m i l e S E P a l a n i Ranch mou.n ta in c a b i n

P a l a n i Ranch P r o d u c t i o n H i s t o r y

262a HSFG: N e s t 4 and p a i r d i s c o v e r e d / Hono- 5000 kohou 1

N e s t 4 abandoned , c o n t e n t s unknown, p a i r s t i l l i n area b u t n o t r e n e s t i n g

25 May 1976

9 J u l y 1976

11 Aug. 1976

1 2 J u n e 1975

14 J u l y 1 9 7 5

9 J a n . 1 9 7 6

10 J a n . 1976

25 May 1 9 7 6

9 J u l y 1976 11 Aug. 1976

1 8 May 1977

4 J u n e 1977

Page 91: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f Hawai ' i-- ( C o n t i n u e d )

P a l a n i Ranch P r o d u c t i o n H i s t o r y ( c o n ' t. )

262b HSFG: p a r e n t s i n c u b a t i n g N e s t 78-6 on s i t e .... 26 A p r i l 1 9 7 8 n o t p r e v i o u s l y r e c o r d e d / P a l a n i Ranch

s i n g l e c h i c k h e a r d 1 6 May 1978

d e a d f l e d g l i n g f o u n d ; p a r e n t s d r i f t e d o f f 20 J u n e 1 9 7 8

~ z l u a l o a 1 and 2 , Wai' a h a S p r i n g s F o r e s t R e s e r v e

263 W . Banko: R. G r e e n w e l l n e v e r knew o f many / .... 1920-1969 H o l u a l o a 1 and 2 ( 2 3 S e p t . 1 9 6 9 )

264 W. Banko: Kawahara as a boy s a w i n v a r i a b l y , 2000- p r i o r 1 9 4 8 a l m o s t e v e r y weekend p r i o r t o WW 11, a s many 3000 ( 7 Feb . 1 9 6 9 ) as 30-40 / Waiaha S p r i n g s F o r e s t R e s e r v e

265 Baldwin : V r e d e n b e r g t h o u g h t c h a n c e s a r e n ' t .... 8 S e p t . 1 9 4 9 s o good o f s e e i n g 'A la l a / above Waiaha S p r i n g s ( n e a r H o l u a l o a ) . . . one m i g h t h a v e t o g o a l l t h e way up

HUALALAI - Pu ' uwa' a w a ' a

266 h e a r d / Poohohoo, n e a r Puuwaawaa .... 11 A p r i l 1 9 4 1 BALP69

267 many s i g h t i n g s / on h i k e s i n t o areas a d j a - .... 16-21 Nov. 1944 BALP69 c e n t Poohohoo, Puuwaawaa

268 saw 6 t o 8 / on h i k e up H u a l a l a i g o i n g up .... (16-21 Nov. 1 9 4 4 ) BALP69 s l i g h t l y W o f S f r o m Poohohoo

269 R i c h a r d s : q u i t e p l e n t i f u l . . .p e r h a p s 8 s e e n 4250 20 O c t . 1950 (6) and a d o z e n h e a r d / S h a n g r i l a area, u p t o (0830-1100 h o u r s ) 0 .25 mile S o f c a b i n , Puuwaawaa Ranch 4500 21 O c t . 1950

(0700-1845 h o u r s )

Page 92: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

270 R i c h a r d s : p r e s e n t , u n s p e c i f i e d numbers / 4250- a l o n g t r a i l t o H u a l a l a i Summit f rom 8250 S h a n g r i l a , Puuwaawaa Ranch

271 R i c h a r d s : n o t e d , 0900-1900 h o u r s / S o f 4250- S h a n g r i l a , Puuwaawaa Ranch.. .back and f o r t h 4550 a l l d a y l o n g

272 W . Banko: Lewin h e a r d 1 / Poohohoo Rese r - 3800 v o i r , Puuwaawaa Ranch

273 Montgomery: s i n g l e c a l l h e a r d / j u s t be low . . . . Puu Poohohoo, Puuwaawaa Ranch

274 W: Banko: f o u n d 4 / i n s e a r c h f rom Poohohoo .... t o Puu Henahena, Puuwaawaa

275 W . Banko: u n s u c c e s s f u l s e a r c h / Puu Henahena .... a r e a , Puuwaawaa

276 W . Banko: u n s u c c e s s f u l s e a r c h / Puu .... Henahena-Kileo-Poohohoo area, Puuwaawaa

277 W . Banko: J a d o b i saw and h e a r d 3 / n e a r .... Poohohoo R e s e r v o i r , Puuwaawaa Ranch

Pu 'uwa ' awa ' a P r o d u c t i o n H i s t o r y

278 W. Banko: Hind r e c a l l e d m o s t r e l i a b l e n e s t - .... i n g area o f 'Ala la was / d r y o h i a b e l t N E of Poohohoo e x t e n d i n g to b a s e o f P o t a t o H i l l

279 P. Banko: p a i r s e e n , no n e s t o r young found 4000 / Puuwaawaa Ranch, 0.3 mile ESE Poohohoo

280 P. Banko: none s e e n o r h e a r d ( 2 h o u r 4000 s e a r c h ) / Puuwaawaa Ranch, 0.3 mile ESE Pooh0 hoo

27 S e p t . 1950

28 S e p t . 1950

1 5 May 1966

2 1 Dec. 1969

1 7 S e p t . 1969

24 S e p t . 1 9 6 9

25 S e p t . 1969

3 1 Aug. 1 9 7 1

1935-1950 ( 2 4 S e p t . 1 9 6 9 )

1 0 J u l y 1974

9 , 1 0 O c t . 1974

Page 93: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i-- ( C o n t i n u e d )

Pu 'uwa ' awa ' a P r o d u c t i o n H i s t o r y ( c o n ' t .)

P. Banko: none s e e n o r h e a r d ( 3 hou r s e a r c h ) / Puuwaawaa Ranch, 0 .3 mile ESE Pooh0 hoo

P. Banko: 2 p a i r s f o u n d i n l o o s e a s s o c i a - t i o n ; no n e s t o r young s e e n o r s u s p e c t e d / Puuwaawaa Ranch, j u s t S o f Poohohoo

P. Banko: none s e e n o r h e a r d i n 3 hour s e a r c h / Puuwaawaa Ranch, Poohohoo t o S h a n g r i l a

HUALALAI - Ka' i j pc l ehu

284 two f l e w up and o v e r / v o l c a n i c c o n e immedi- a t e l y a d j a c e n t t o H a i n o a C r a t e r . . . s u m m i t o f H u a l a l a i

HUALALAI - Keauhou 2

285 W. Banko: S a n t o s saw and h e a r d 1 / n e a r hog-wi re g a t e , J u d d T r a i l a b o u t 1 m i l e f rom H u a l a l a i Nene S a n c t u a r y

KEALAKEKUA

286 W . Banko: W i l s o n o b t a i n e d 1 s p e c i m e n / Kaawaloa

287 W. Banko: Pa lmer c o l l e c t e d 5 s p e c i m e n s /

4000 1 2 , 1 3 J u l y 1 9 7 5

.... 1 6 J u n e 1976

.... 22 J u l y 1 9 7 6

8275 (16-21 Nov. 1 9 4 4 )

.... 8 Nov. 1967

.... March 1888 ( 2 )

.... ( S e p t . , ~ c t . , o r ( 2 H o l o k a l i l i ( H o l o k a a l e l e ) (Pond , 2750 f t . e l . ) , Nov. 1 8 9 1 ) O n o u l i 1-2

287a W. Banko: Pa lmer c o l l e c t e d 5 s p e c i m e n s / .... ( s ep t . - 0c t . -Nov . 1 8 9 1 ) ( 2 ) Kaawaloa

Page 94: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

288 Baldwin : Munro f i e l d j o u r n a l : p r e s e n t / 2750 29 O c t . 1 8 9 1 d e s e r t e d d a i r y . . . H o l o k a a l e l e Pond, O n o u l i 1-2

289 Ba ldwin : Munro r e c o r d s 1 0 s p e c i m e n s c o l - .... 8 S e p t . t o 1 0 Nov. 1 8 9 1 BALP69 l e c t e d / a p p a r e n t l y a l l o f which came f rom f o r e s t e d l o c a l i t i e s f rom 1000 t o 2000 f t . e l . a b o v e Kaawaloa ( K e a l a k e k u a Bay) and upwards t o somewhat a b o v e H o l o k a a l e l e a t 2750 f t . e l .

290 P e r k i n s : common / ( K e a l a k e k u a a r e a ? ) ca. 2500 J u n e 1892

291 P e r k i n s : w a s t o l d 'Ala la comes r i g h t down .... i n w i n t e r i n w i n t e r / t o t h e r o a d a t Kaawaloa ( 1 8 9 4 )

292 W . Banko: P a r i s remembered i t numerous / .... b e f o r e 1 9 2 0 ' s a b o v e K a i n a l i u ( 7 O c t . 1 9 7 0 )

293 W . Banko: A. G r e e n w e l l r e c a l l e d 'Ala la ca. 1500 u p t o ca. 1 9 5 5 came down f r e q u e n t l y d u r i n g w i n t e r mon ths / ( 7 O c t . 1 9 7 0 ) Keauhou 1 and 2

294 W. Banko: P a r i s h a s n o t h e a r d ' A l a l a / i n .... s i n c e 1 9 5 5 L e h u u l a n u i ( L e h u u l a Mauka) a b o v e K a i n a l i u ( 7 O c t . 1 9 7 0 )

295 W . Banko: Pung saw s c a t t e r e d f l o c k s / l a n d .... 1949-1959 o f Kaumalumalu

296 W. Banko: H e n r i q u e s (Ranch f o r e m a n ) n e v e r .... 1927-1969 saw 'Ala la l o w e r t h a n 3000 f t . e l . / Sherwood ( 1 2 J u n e 1 9 6 9 ) G r e e n w e l l Ranch ( K e a l a k e k u a )

PUU LEHUA

297 s a w some / a l o n g t r a i l i n t h i s d e s e r t v a l - ca. 5000 ( 1 7 9 2 ) l e y (Hua l a l a i -Mauna Loa s a d d l e )

298 Baldwin : Munro ' s j o u r n a l : no c rows t a k e n 4850- Oct. 1 8 9 1 o r m e n t i o n e d / v i c i n i t y o f Puu Lehua and 5500 K i k i a e a e

299 W . Banko: Pa lmer c o l l e c t e d 2 s p e c i m e n s / .... ( S e p t . , O c t . , o r Nov. ( 2 n e a r Puu Lehua ( P u l e h u a Ranch) 1 8 9 1 )

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I s l a n d o f H a w a i ' i - - ( C o n t i n u e d )

PUU LEHUA ( c o n ' t . )

299a P e r k i n s : s p e c i m e n o b t a i n e d / v i c i n i t y .... P u l e h u a (Ranch )

300 Baldwin : f a i l e d t o f i n d . . . g u i d e N i c h o l a s , 4500- r a n c h employee , had no knowledge o f c rows 6500 i n t h i s a r ea . . .F . G r e e n w e l l c o n f i r m e d N i c h o l a s ' s o b s e r v a t i o n / 3 d a y s o f h o r s e b a c k t r i p s c o v e r i n g 40 miles o f t r a i l t h r o u g h m o d e r a t e l y d r y f o r e s t ( i n Keauhou 2 ) . . . b e t w e e n Ahuaumi H e i a u t o t h e N and K e a l a k e k u a l a v a f l o w t o t h e S.. .

3 0 1 Baldwin : f o u n d none / f o r e s t E o f Puu .... Keanu i (N o f Puu Lehua)

302 Baldwin : Baybrook saw 2 o n c e y e a r s a g o / .... P u l e h u a Ranch, Keauhou 2 and K e a l a k e k u a

303 R i c h a r d s : ca. 3 or 4 s e e n and ca. 7 h e a r d / .... a l o n g j e e p r o a d t o P a p a l o a Ranch ( h o u s e ) f rom K e a l a k e k u a , h i k e t o P u l e h u a Ranch and r e t u r n

304 W. Banko: S. G r e e n w e l l : none s e e n / P a p a l o a ....

3 0 5 W . Banko: S. G r e e n w e l l : o c c a s i o n a l l y corn- .... m o n . . . u n t i l p a s t few y e a r s when t h e y a re f e w e r and d o n ' t s t a y s o l o n g / P a u a h i , i n t h e f o r e s t e d area

306 W . Banko: 2 o b s e r v e d / P a u a h i , Kea l akekua 4400

307 W . Banko: Ackerman r e p o r t e d 'Ala la t o b e 4400- p r e s e n t / P a p a l o a - P a u a h i c a t t l e w a t e r i n g 5100 f a c i l i t i e s

1 2 Aug. ( 1 8 9 2 )

1 9 4 2

20 Nov. 1942

(1922-1942) ( 1 9 Nov. 1 9 4 2 )

24 Aug. 1950

s i n c e 1928 ( 6 J a n . 1 9 6 7 )

( 6 J a n . 1 9 6 7 )

1 2 J u n e 1969

E a s t e r Sunday 1969

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HONAUNAU

308 r a v e n s a r e found h e r e , b u t t h e y a re v e r y .... s c a r c e . . . 2 o f t h e s e b i r d s tame. . .which t h e y t o l d m e we re " E a t o o a s " ( s p i r i t s ) ; and r e f u s i n g e v e r y t h i n g I o f f e r e d f o r them, c a u t i o n e d me, a t t h e same t i m e , n o t t o h u r t o r o f f e n d them / v i l l a g e o f Kakooa (Kaawa loa? ) ... K e a l a k e k u a

309 v e r y scarce / mauka K e a l a k e k u a Bay .... 310 u n s u c c e s s f u l s e a r c h / v i c i n i t y Ka rakakua ....

( K e a l a k e k u a ) Bay

310a W. Banko: Townsend o b t a i n e d 2 s p e c i m e n s / .... Kaawaloa

311 s p e c i m e n s o b t a i n e d / a few miles i n l a n d f rom . . . . t h e v i l l a g e Kaawaloa

312 W. Banko: 2 s p e c i m e n s c o l l e c t e d / Kaawaloa .... 313 n e s t a t end o f A p r i l . . . i n a Pandanus /

( ? Kaawaloa a rea)

314 numerous i n J u n e / f ew miles above Kaawaloa .... i n o h i a f o r e s t

KAUNENE - Hznaunau F o r e s t R e s e r v e , Ke'ei 1-2

315 Baldwin : F. G r e e n w e l l : p r e s e n t i n u n s p e c i - .... f i e d numbers / i n t h e Honaunau F o r e s t R e s e r v e (Honaunau and Keei)

316 NPS: s e e n / Honaunau F o r e s t R e s e r v e v i c i - 4500- n i t y McCandless Ranch 5000

317 Ba ldwin : r a t h e r s i l e n t i n t h e heavy d r i z z l e 4250- t h a t d a y , b u t 3 s e e n o r h e a r d / SE s e c t i o n 4800 o f t h e (Honaunau) F o r e s t R e s e r v e

J a n . 1779

20 Feb. 1837

a b o u t 1845

(1887 /1888)

29 Feb.-4 Mar. 1944

2 Mar. 1944

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I s l a n d o f Hawai' i-- ( C o n t i n u e d )

KAUNENE - HBnaunau F o r e s t R e s e r v e , ~ e ' e i 1-2 ( c o n ' t . )

318 R i c h a r d s : o b s e r v e d f a m i l y o f 3 , 0915-1530 .... h o u r s / McCandless Ranch, h i k e f rom Hapuu t o Gaspar's D a i r y a l o n g E b n d r y . Honaunau F o r e s t R e s e r v e

319 W . Banko: C a r l s o n h e a r d ' A l a l a / mauka e d g e .... Honaunau F o r e s t R e s e r v e n e a r j e e p a c c e s s r o a d

320 W. Banko: C a r l s o n saw and h e a r d 4 / Honaunau .... F o r e s t n e a r McCandless lease

3 2 1 W. Banko: I a u k e a h e a r d a b o u t 2 w e e k s a g o ... o n l y t i m e / c o f f e e f a r m below Honaunau F o r e s t R e s e r v e

322 W. Banko: u n s u c c e s s f u l s e a r c h / bndry . a r e a , Honaunau F o r e s t R e s e r v e above c o f f e e f a r m

323 W. Banko: C a r l s o n : B ryan h e a r d 1 / Honaunau F o r e s t R e s e r v e

324 W. Banko: C a r l s o n : 2 f o l l o w e d p i g h u n t e r s who were t e m p t e d t o s h o o t b e c a u s e t h e y we re s o n o i s y / m i d d l e o f Honaunau F o r e s t R e s e r v e

1700

ca. 2800

....

....

325 W. Banko: h e a r d 2 / Honaunau F o r e s t R e s e r v e , 4554 0 .25 mile be low Hapuu Camp, Ki i l ae

326 W . and P. Banko: saw p a i r 0800 h o u r s / 4520 a l o n g mauka b n d r y . Honaunau F o r e s t R e s e r v e , a b o u t 0.25 m i l e SSE G a s p a r ' s d a i r y

327 HSFG: h e a r d 2 on s u r v e y / Honaunau F o r e s t 4500 R e s e r v e

22 Nov. 1950

ca. 10 Dec. 1966

7 A p r i l 1970

ca. 20 May 1970

4 J u n e 1970

ca. 1 Oct. 1 9 7 0

6 Nov. 1970

4 J u n e 1 9 7 1

30 Mar. 1 9 7 3

4 J a n . 1 9 7 7

Page 98: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

3 2 7 a HSFG: saw 1, h e a r d 1 on s u r v e y / Honaunau 4580 1 0 J a n . 1977 F o r e s t R e s e r v e

3 2 7 b HSFG: saw 3 and h e a r d 1 on s u r v e y / Honaunau F o r e s t R e s e r v e

4520 1 6 J a n . 1 9 7 8

3 2 7 c HSFG: saw 4 and h e a r d 1 on s u r v e y / 4300- 1 7 J a n . 1 9 7 8 Honaunau F o r e s t R e s e r v e 4480

327d HSFG: saw 4 and h e a r d 1 on s u r v e y / 4220- 5 March 1978 Honaunau F o r e s t R e s e r v e 4440

3 2 7 e HSFG: a f t e r 1 9 7 8 b r e e d i n g s e a s o n p o p u l a t i o n . . . . 30 J u n e 1978 on Honaunau F o r e s t R e s e r v e c o n s i s t e d o f 2 s u c c e s s f u l n e s t i n g a d u l t s , 4 u n s u c c e s s f u l n e s t i n g a d u l t s , 1 immatu re , and 2 f l e d g l i n g s

Hbnaunau F o r e s t R e s e r v e P r o d u c t i o n H i s t o r y - G a s p a r ' s D a i r y

328 W. Banko: 1530-1830 h o u r s h e a r d o n l y 1 .... 4 J u l y 1 9 7 2 p o s s i b l e c a l l d i s t i n c t l y maka i G a s p a r ' s d a i r y , and 1 p a i r mauka / on h i k e a l o n g t o p o f Honaunau F o r e s t R e s e r v e f rom G a s p a r ' s d a i r y ( a b a n d o n e d ) S t o mauka-makai t r a n s - F o r e s t R e s e r v e j e e p t r a i l , and r e t u r n t o G a s p a r ' s d a i r y

329 W . Banko: f o u n d p a r e n t s and f l e d g l i n g a b l e .... 5 J u l y 1 9 7 2 t o f l y w e l l up t o 1 5 0 f e e t / 0.25 mile mauka Gaspar's d a i r y (Keei 1 -2 )

330 W . and P. Banko: f o u n d p a i r w i t h n e s t ( con - 4280 3 May 1 9 7 3 t e n t s u n o b s e r v a b l e ) / Honaunau F o r e s t R e s e r v e , 0.4 m i l e W G a s p a r ' s d a i r y

3 3 1 W. and P. Banko: p a i r p r e s e n t w i t h 1 dead 4280 26 May 1 9 7 3 w e l l - d e v e l o p e d n e s t l i n g i n n e s t / Honaunau F o r e s t R e s e r v e , 0.4 mile W G a s p a r ' s d a i r y

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I s l a n d o f H a w a i ' i - - ( C o n t i n u e d )

HBnaunau F o r e s t R e s e r v e P r o d u c t i o n G a s p a r ' s D a i r y ( c o n ' t. )

W . and P. Banko: p a i r p r e s e n t ; d e a d j u v e n i l e 4280 s t i l l i n n e s t / Honaunau F o r e s t R e s e r v e , 0.4 m i l e W Gaspar's d a i r y

P. Banko: p a i r w i t h 2 n e s t l i n g s i n n e s t / 4250 Honaunau F o r e s t R e s e r v e , 0 .5 mile WSW G a s p a r ' s d a i r y

P. Banko: 1 j u v e n i l e f l e d g e d ; no s i g n o f s i b l i n g ( s ) / Honaunau F o r e s t R e s e r v e , 0.5 mile WSW Gaspar's d a i r y

P. Banko: p a i r w i t h f l e d g l i n g ; n e s t u n l o c a t e d / Honaunau F o r e s t R e s e r v e , n e a r G a s p a r ' s d i a r y

P. Banko: pa i r w i t h f l e d g l i n g / Honaunau F o r e s t R e s e r v e , n e a r K e a l a k e k u a b n d r y .

P. Banko: none s e e n o r h e a r d i n 4 5 m i n u t e s e a r c h / Honaunau F o r e s t R e s e r v e , G a s p a r ' s d a i r y area

P. Banko: p a i r w i t h f l e d g l i n g s e e n , no n e s t f ound / Honaunau F o r e s t R e s e r v e , 0 .3 mile NW Gaspar's d a i r y

Hanaunau F o r e s t R e s e r v e P r o d u c t i o n S o u t h G a s p a r ' s D a i r y

W. and P. Banko: p a i r w i t h w e l l d e v e l o p e d 4500 n e s t l i n g i n n e s t / Honaunau F o r e s t R e s e r v e , 1 . 4 m i l e s SSE G a s p a r ' s d a i r y , maka i F o r e s t

H i s t o r y -

3 1 May 1 9 7 3

24 May 1974

22 J u n e 1974

1 9 J u n e 1 9 7 5

1 0 ~ u g . 1 9 7 5

4 J u n e 1976

14 J u l y 1976

H i s t o r y -

4 May 1 9 7 3

R e s e r v e b n d r y . r o a d

Page 100: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

340 W . and P. Banko: n e s t l i n g f l e d g e d ; s a l v a g e d f o r p r o p a g a t i o n / Honaunau F o r e s t Rese rve , 1.4 miles SSE G a s p a r ' s d a i r y makai F o r e s t Reserve bndry. road

341 P. Banko: p a i r w i t h n e s t ( c o n t e n t s unknown) / Honaunau F o r e s t Reserve , 1 . 4 m i l e s SSE G a s p a r ' s d a i r y , mauka F o r e s t Reserve bndry. road

342 P. Banko: n e s t empty, presumed u n s u c c e s s f u l , p a i r hea rd d i s t a n t l y / Honaunau F o r e s t Reserve , 1.4 miles SSE G a s p a r ' s d i a r y , mauka F o r e s t Reserve bndry. road

342a P. Banko: hea rd 1 a d u l t . . no n e s t found / Honaunau F o r e s t Reserve , 1.4 miles SSE G a s p a r ' s d a i r y , makai F o r e s t Reserve bndry. road

343 P. Banko: none s e e n o r hea rd (1 .5 hour s e a r c h b o t h d a t e s ) . . . n o n e s t found / Honaunau F o r e s t Reserve , 1.4 miles SSE G a s p a r ' s d a i r y , makai F o r e s t Reserve bndry. road

344 P. Banko: p a i r w i t h n e s t , c o n t e n t s unobserv- a b l e / Honaunau F o r e s t Reserve , 1.3 miles SSE G a s p a r ' s d a i r y

345 P. Banko: n e s t empty, p a i r i n t e r r i t o r y / Honaunau F o r e s t Rese rve , 1.3 miles SSE G a s p a r ' s d a i r y

346 P. Banko: p a i r w i t h f l e d g l i n g s e e n / Honaunau F o r e s t Reserve , 1.15 miles NW Hapuu Camp, 1 mile SSE o f n e s t

26 May 1973

25 May 1974

22 J u n e 1974

19 J u n e 1975

20 J u n e 1975 10 Aug. 1975

4 J u n e 1976

14 J u l y 1976

15 J u l y 1976

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I s l a n d o f Hawai' i-- ( C o n t i n u e d )

3 4 6 a HSFG:

34613 HSFG:

3 4 6 c HSFG:

346d HSFG:

346e HSFG:

346f HSFG:

H h a u n a u F o r e s t R e s e r v e P r o d u c t i o n H i s t o r y - S o u t h G a s p a r ' s D a i r y ( c o n ' t . )

1 f l e d g e d f rom N e s t 8

1 f l e d g e d f rom N e s t 9

p a r e n t i n c u b a t i n g Nest 78-7

b o t h f l e d g l i n g s p e r c h e d n e a r g round ( o n e t a k e n f o r c a p t i v e b r e e d i n g )

N e s t 78-8 u n d e r i n c u b a t i o n

abandoned a f t e r p r e v i o u s m o n i t o r i n g , n e s t empty

pair a t t e m p t e d r e n e s t i n g

n e s t s t i l l u n d e r c o n s t r u c t i o n

new n e s t abandoned , c o n t e n t s u n d e t e r - mined

pa i r o b s e r v e d b u i l d i n g N e s t 78-9

pai r sti l l a d d i n g s t i c k s

s i t e abandoned w i t h o u t i n d i c a t i o n o f egg l a y i n g

gE - K i ' i l a e (McCand le s s Ranch)

1 s e e n / Hapuu C a m p

W. Banko: 1 s e e n , n o t h e a r d (1210 h o u r s ) / Keokea , 0 .5 mile NE Hapuu Camp, n e a r Honaunau F o r e s t R e s e r v e b n d r y .

ca. 4500 20 J u n e 1977

ca. 4300 20 J u n e 1977

.... 2 May 1978

1 9 J u n e 1978

.... 3 May 1978

1 4 May 1978

.... 1 7 May 1978

22 May 1978

8-15 J u n e 1 9 7 8

. . . . 11 May 1 9 7 8

23 May 1 9 7 8

26 May 1 9 7 8

.... 1 Mar. 1944

4800 24 May 1 9 7 1

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349 W. Banko: 2 s e e n ( 1 4 1 5 h o u r s ) , 1 p o s s i b l y 4620 s e e n p r e v i o u s l y (1210 h o u r s ) / Kii lae , 1 . 2 5 miles S o f Hapuu Camp a l o n g j e e p r o a d

350 W . Banko: saw and h e a r d none(1730-1830 .... h o u r s ) / Hapuu Camp

3 5 1 W. Banko: saw and h e a r d none (0515-0600 . . . . h o u r s ) / Hapuu Camp

KAUNENE - ~ e z l i a 1, 2; Ho 'okena (McCand le s s Ranch)

351a W. Banko: Lewin: K n i g h t h e a r d lala la / .... 8 miles E o f Kealia ( v i l l a g e )

352 W . Banko: L 'Orange : 1 0 o r 1 2 s i g h t i n g s 4800 p a s t f e w y e a r s ... u s u a l l y 2 o r 3 b u t o n c e 8 t o g e t h e r / Kealia 2 , a rea 0 .5 mile S B ig H i l l C a m p

353 W. Banko: L 'Orange h e a r d o n c e / Kiilae- 4600 Kealia 1 b n d r y . , a l o n g j e e p t r a i l

354 G i f f i n : s a w 1 f l y i n g o v e r t h e f o r e s t , h e a r d 4200 c a l l i n g / 0 .75 mile NW B i g H i l l Camp

355 W. Banko: 3 , a l m o s t c e r t a i n l y 4 h e a r d 4250 0540-0700 h o u r s ... o n l y 1 s e e n . . . n o e v i d e n c e o f a n e s t / Kealia 1, 0.5 mile maka i B ig H i l l camp

356 W . Banko: m a i n t a i n e d s u r v e i l l a n c e o f 1 4600 n o n - n e s t i n g p a i r f rom 0540 t o 0730 h o u r s / a b o u t 0 .25 mile N o f B i g H i l l Camp p a s t u r e and 5 0 y d s . f r om j e e p r o a d

357 P. Banko: p a i r o b s e r v e d / Kealia 1, 1 . 5 mile 3960 NW B i g H i l l Camp

358 P. Banko: saw 3 a d u l t s , a p p a r e n t l y a p a i r 4040- and c l o s e a s s o c i a t e ; no n e s t f ound / 4260 Kealia 1, 1.1 miles NW o f B ig H i l l Camp

24 May 1 9 7 1

27 J u n e 1972

28 J u n e 1972

24 Mar. 1966

J a n . 1 9 6 8 - J u n e 1969 ( 4 J u n e 1 9 6 9 )

J a n . 1 9 6 8 - J u n e 1969 ( 4 J u n e 1 9 6 9 )

1 8 J u n e 1 9 7 1

23 J u n e 1972

27 J u n e 1972

8 Aug. 1 9 7 5

4 J u n e 1976

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I s l a n d o f Hawai' i-- ( C o n t i n u e d )

KAUNENE - K e Z l i a 1, 2; Ho 'okena (McCand le s s Ranch) ( c o n ' t . )

359 P, Banko: n o n e h e a r d o r s e e n i n 1 . 5 hour s e a r c h / Kealia 1, 1.1 miles NW o f B ig H i l l Camp

359a HSFG: saw 4, h e a r d 2 on s u r v e y / McCandless Ranch

359b HSFG: saw 1 on s u r v e y / McCandless Ranch

3 5 9 c HSFG: saw 3 on s u r v e y / McCandless Ranch

359d HSFG: s a w 2 o n s u r v e y / McCandless Ranch

3 5 9 e HSFG: saw 3 and h e a r d 1 on s u r v e y / McCandless Ranch

359 f HSFG: saw 3 on s u r v e y / McCandless Ranch

3599 HSFG: s a w 4 and h e a r d 1 on s u r v e y / McCandless Ranch

359h HSFG: saw 2 on s u r v e y / McCandless Ranch

3 5 9 i HSFG: saw 7 and h e a r d 1 on s u r v e y / McCandless Ranch

3 5 9 j HSFG: saw 2 and h e a r d 1 on s u r v e y / McCandless Ranch

359k HSFG: saw 2 on s u r v e y / McCandless Ranch

3 5 9 1 HSFG: a £ t e r 1 9 7 8 b r e e d i n g s e a s o n p o p u l a t i o n o n McCandless Ranch c o n s i s t e d o f 2 s u c c e s s - f u l n e s t i n g a d u l t s , 4 u n s u c c e s s f u l n e s t i n g a d u l t s , 2 unemployed a d u l t s , 2 i m m a t u r e s , 1 f l e d g l i n g ( t a k e n f o r c a p t i v e b r e e d i n g )

1 5 J u l y 1976

25 J a n . 1977

26 J a n . 1 9 7 7

3 May 1977

4 May 1977

9 J a n , 1 9 7 8

1 0 J a n . 1 9 7 8

22 Mar. 1 9 7 8

23 Mar. 1978

1 7 A p r i l 1 9 7 8

25 May 1 9 7 8

2 1 J u n e 1978

30 J u n e 1978

Page 104: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

Kezlia 1, 2; Ho'okena (McCand le s s Ranch) P r o d u c t i o n H i s t o r y

NPS: 1 o l d n e s t f ound / n e a r Kamakawai w a t e r h o l e s

W. Banko: f o u n d 1 p a i r w i t h n e s t , c o n t e n t s u n d e t e r m i n e d / ca. 1 5 0 f t . mauka o f j e e p r o a d 0 .25 mile N o f B ig H i l l Camp

W. Banko: p a i r p r e s e n t a t a c t i v e n e s t / ca. 1 5 0 f t . mauka o f j e e p r o a d 0.25 mile N o f B ig H i l l Camp

W. Banko: n e s t s i t e abandoned . . .no s i g h t o r sound o f p a r e n t s . . . n e s t c o n t e n t s unobse rv - a b l e / ca. 150 f t . mauka o f j e e p r d a d 0 .25 mile N o f B ig H i l l Camp

W . and P. Banko: p a i r w i t h 2 f l e d g l i n g s ; n e s t n o t f o u n d / Hookena, 0 , 4 m i l e SSW B i g H i l l Camp

P. Banko: p a i r w i t h n e s t ( c o n t e n t s n o t o b s e r v e d ) / Hookena, 0.95 mile S B ig H i l l Camp

P. Banko: n e s t empty; d r o p p i n g s o n s i d e and r i m o f n e s t i n d i c a t e occupancy by young; no p a r e n t s o r young s e e n / Hookena, 0.95 mile S B i g H i l l Camp

P. Banko: pa i r w i t h 2 f l e d g l i n g s , 1 banded -15 / Hookena, 1 mile SSW B i g H i l l Camp

P. Banko: p a i r w i t h -15 and unbanded f l e d g - l i n g o b s e r v e d / Hookena, 0 .3 mile N E o f 1 9 J u n e n e s t s i t e

P. Banko: pa i r w i t h -15 and unbanded f l e d g - l i n g o b s e r v e d / Hookena, 1 m i l e S 1 9 J u n e n e s t s i t e

29 Feb.-4 Mar. 1944

27 J u n e 1972

4 J u l y 1 9 7 2

11 J u l y 1 9 7 2

4650 3 J u l y 1 9 7 3

26 May 1974

27 J u n e 1974

1 9 J u n e 1 9 7 5

6 Aug. 1 9 7 5

7 Aug. 1 9 7 5

Page 105: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i l i - - ( C o n t i n u e d )

Kezlia 1, 2; H o l o k e n a (McCand le s s Ranch) P r o d u c t i o n H i s t o r y ( c o n l t . )

370 P. Banko: p a i r w i t h f l e d g l i n g s e e n / 4830 3 J u n e 1976 Kealia 2 , 0 .65 mile S B i g H i l l Camp

371 P. Banko: l o o s e a s s o c i a t i o n o f a t l e a s t 7 4920 1 5 J u l y 1976 ( 5 s e e n , 2 o n l y h e a r d ) , i n c . j u v e n i l e -15 s e e n b e g g i n g f o r f o o d and p r o b a b l y 1975 s i b - l i n g ; p r o b a b l y a l s o 1 9 7 6 f a m i l y , b u t n o t con- f i r m e d / Hookena, 1 . 3 5 miles S B ig H i l l Camp

372 P. Banko: pair and f l e d g l i n g s e e n / Hookena, 1 mile S B i g H i l l Camp

4850 1 6 J u l y 1976

McCandless Ranch P r o d u c t i o n H i s t o r y

372a HSFG: 2 f l e d g e d f rom Nest 3 (same,as 3 8 3 a ) 5040 28 J u n e 1977

3 7 2 b HSFG: 1 f l e d g e d f rom N e s t 7 ca. 4850 1 9 J u n e 1977

3 7 2 c HSFG: p a i r b r e a k i n g and c a r r y i n g s t i c k s . . . . 23 Mar. 1 9 7 8

e g g s found i n N e s t 78-3 1 7 A p r i l 1 9 7 8

p a i r c o u l d n o t b e found 2 1 J u n e 1978

372d HSFG: 1 a d u l t b r e a k i n g and c a r r y i n g s t i c k s .... 22 Mar. 1 9 7 8

a d u l t s i n c u b a t i n g N e s t 78-4 1 7 A p r i l 1 9 7 8

n e s t l i n g f i r s t h e a r d 24 May 1 9 7 8

n e s t l i n g s e e n 1 4 J u n e 1978

n e s t l i n g f l e d g e d 2 1 J u n e 1978

Page 106: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

372e HSFG: N e s t 78-5 f o u n d 0 .25 mile f rom N e s t .... 1 7 A p r i l 1 9 7 8 78-4, e r r a t i c i n c u b a t i o n n o t e d

n e s t abandoned . . . n o t known i f e g g s were l a i d 24 May 1978

PUU POHAKULOA - Honokua, ~ Z h o e h o e 1, 2 (McCandless Ranch)

W . Banko: C. M e d e i r o s was s u r e t h e r e were ca. 2000 many 20 y e a r s ago ; now may n o t b e p r e s e n t / Honokua

W . Banko: L t O r a n g e s i g h t e d 3 o n c e / Honokua 4800 a l o n g j e e p t r a i l

W. Banko: K a l e i a l o h a s a w a b o u t 6 / n e a r 4659 "Mounta in" , Pahoehoe 2 , S o u t h Kona F o r e s t R e s e r v e

W . Banko: L I O r a n g e h a s n o t h e a r d o r s e e n .... a l l s p r i n g a t e l e v a t i o n s h e had l e a r n e d t o e x p e c t them / Honokua

W . Banko: M . M e d e i r o s saw o r h e a r d 'Ala la ca. 3000 / Honokua

W . Banko: L t O r a n g e saw and h e a r d none on .... Ranch i n p a s t y e a r / Honokua

W . Banko: none s e e n o r h e a r d o n 10-15 min. . . . . s t o p s a t 5000 , 5680 , 5650 , 5100 , 4900, 4880, 4700 , 4100 i t . e l . / a l o n g Ranch j e e p t r a i l t o Hooper Camp

W . Banko: none s e e n o r h e a r d / h i k e f rom .... 5680 t o 5000 f t . e l e v a t i o n t oward "Mountain" a l o n g Honokua-Pahoehoe 2 b o u n d a r y , and r e t u r n

J a n . 1 9 6 8 - J u n e 1969 ( 3 )

A p r i l 1 9 6 9 ( 3 )

( 1 2 J u n e 1 9 7 0 ) ( 3 )

Feb. 1 9 7 1 ( 3 )

( 1 8 May 1 9 7 1 ) ( 3 )

1 8 J u n e 1 9 7 1 ( 3 )

1 8 J u n e 1 9 7 1

Page 107: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i f i-- ( C o n t i n u e d )

Honokua (McCandless Ranch) P r o d u c t i o n

381 P. Banko: p a i r w i t h f l e d g l i n g , banded -16 / Honokua 0.8 mile WSW o f Hooper Camp n e a r 1950 l a v a f l o w

382 P. Banko: p a i r and n e s t found / Honokua 0.8 m i l e WSW Hooper Camp n e a r Honokua l a v a f l o w o f 1950

383 P. Banko: p a i r w i t h f l e d g l i n g n e a r n e s t / Honokua, 0.8 m i l e WSW Hooper Camp n e a r Hono- kua l a v a f l o w o f 1950

383a P. Banko: n e s t found w i t h 2 f l e d g l i n g s , banded -19 and -20 / Honokua, 0.6 m i l e WSW o f Hooper Camp n e a r Honokua l a v a f l o w o f 1950

PUU POHAKULOA - Ka'ohe 1, 2; S o u t h Kona F o r e s t Rese rve , ~ 6 l e l o m o a n a 1, 2

384 Pa lmer : saw 1 a t a b o u t 8000 f t . . . d i d n o t .... n o t i c e it u n t i l it began t o c r y ... t h i s makes m e t h i n k t h a t i t l i v e s a l l o v e r t h e c o u n t r y / h a l f - d a y ' s r i d e up Mauna Loa from "Honaunaun ... a d a i r y b e l o n g i n g t o a Mr. J o h n s t o n . . . a b o u t 6000 f t . . . and some 20 miles S of Pulehua: (now Kaohe Ranch, 5294 f t . el . . . . 1 7 miles S o f P u l e h u a )

385 W. Banko: K a l e i a l o h a saw a b o u t 2 / n e a r 5300 Kaohe Ranch, Kaohe 4 , S o u t h Kona F o r e s t R e s e r v e

386 W. Banko: Mrs. W. Hopfe: h e a r d n e a r c a . 1200 r e s i d e n c e l a s t week; ' A l a l a come down t o e a t i e i e when it is r i p e t h i s time o f y e a r / Olelomoanui Homesteads, c a . 1 mile N Haapuna l a v a f l o w o f 1950 , a l o n g B e l t Highway

H i s t o r y

8 Aug. 1975

3 J u n e 1976

1 5 J u l y 1976

24 J u n e 1977

20 Nov. 1891

e a r l y J a n . 1969

( 1 3 May 1 9 7 4 )

ROTWOOA

Page 108: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

PAPA - ' x l ika Homesteads; Papa 1, 2

387 W. Banko: H a a l i l i o ( l o g g e r and s a w m i l l o p e r a t o r 1927-1955): v e r y abundant . . . e s t i m a t e d more t h a n a 100 / A l i k a Homesteads (Yee Hop Ranch)

388 W . Banko: H a a l i l i o n o t i c e d f e w e r , b u t s t i l l p l e n t y / A l i k a Homesteads (Yee Hop Ranch)

389 W. Banko: S c h a t t a u e r saw p l e n t y . . . t h o u g h t 15-20...6 t h e most i n one t r e e . . . a t s t a r t o f c l e a r i n g t rees f o r c a t t l e p a s t u r e . . . o n l y a f e w l e f t now / H a u o l i R e s e r v o i r area, Papa 1

390 W. Banko: S c h a t t a u e r s e a r c h e d b u t found o n l y 2 , 1 l o o k i n g s i c k / H a u o l i R e s e r v o i r a r e a , Papa 1

391 W. Banko: H a a l i l i o h e a r d / i n s u g i p i n e g r o v e n e a r H a u o l i R e s e r v o i r , Papa 1

392 W . Banko: h e a r d , sounded l i k e 2 / A l i k a Homesteads, 0 .25 mile NE H a u o l i R e s e r v o i r , Papa 1

l a t e 1 9 2 0 ' s ( 2 J a n . 1 9 7 2 )

1955 ( 2 J a n . 1 9 7 2 )

Oct. 1960 (11 J u n e 1 9 6 9 )

Mar. 1966 (11 J u n e 1 9 6 9 )

ca. 1 May 1969

29 J u l y 1969

393 W. Banko: M. ~ e d e i r o s h e a r d ' A l a l a l a s t c a . 3200 (26 Aug. 1 9 6 9 ) S a t u r d a y / Papa 2 , c a . 1 mile S H a u o l i R e s e r v o i r

394 W. Banko: S c h a t t a u e r : M. Mede i ros h e a r d 2 / A l i k a Homesteads, n e a r H a u o l i R e s e r v o i r

395 W. Banko: 2 s e e n a t u n s u c c e s s f u l 1969 n e s t s i t e / A l i k a Homesteads, 0.25 mile NE H a u o l i R e s e r v o i r , Papa 1

396 W. Banko: h e a r d 2 / A l i k a Homesteads, 0.25 mile NE H a u o l i R e s e r v o i r , Papa 1

397 W . Banko: u n s u c c e s s f u l b r i e f s e a r c h / A l i k a Homesteads, 0.25 m i l e NE H a u o l i R e s e r v o i r , Papa 1

.... 1 5 S e p t . 1969

3400 20 Mar. 1970

3400 1 7 S e p t . 1970

3400 23 S e p t . 1970

Page 109: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i-- ( C o n t i n u e d )

PAPA - ' x l i k a Homesteads; Papa 1, 2 ( c o n ' t o )

398 W . Banko: A. Medei ros : none s e e n o r h e a r d .... p a s t y e a r / Yee Hop Ranch, A l i k a Homesteads, S o u t h Kona F o r e s t Rese rve (Kipahoehoe)

399 W. Banko: S c h a t t a u e r : M. Mede i ros h e a r d / .... A 1 i k a Homesteads n e a r Hauol i R e s e r v o i r

400 W . Banko: Kosaka: G i f f i n saw 2 / n e a r Koa 4300 M i l l , A l i k a Homesteads, Yee Hop Ranch

401 W . Banko: l i s t e n e d 1800 h o u r s u n t i l d a r k .... w i t h o u t h e a r i n g ' A l a l a / ~ a u o l i ~ e s e r v o i r

402 W. Banko: M. Mede i ros h e a r d i n same l o c a - .... t i o n a s 1971 / n e a r H a u o l i R e s e r v o i r

' x l i k a Homesteads (Yee Hop Ranch) P r o d u c t i o n H i s t o r y

403 W. Banko: o b s e r v e d p a i r and found n e s t / 3400 A l i k a Homesteads, 0.25 m i l e NE H a u o l i Reser- v o i r ,- Papa 1

404 W. Banko: n e s t s i t e found d e s e r t e d , o n l y 3400 1 h e a r d d i s t a n t l y / A l i k a Homesteads, 0.25 mile NE H a u o l i R e s e r v o i r , Papa 1

405 W. Banko: h e a r d p a i r and found n e s t / a b o u t 3300 600 f t . makai o f 1969 n e s t s i t e , A l i k a Home- s t e a d s , ca. 0.25 mile NNE H a u o l i R e s e r v o i r , Papa 1

( 1 8 May 1971)

2 J u n e 1 9 7 1

10 J u n e 1971

5 J u n e 1972

c a . 5 J u n e 1972

4 J u n e 1969

25 J u l y 1969

22 May 1970

406 W. Banko: saw p a i r n e a r n e s t s i t e / c a . 0 .25 mile NNE H a u o l i R e s e r v o i r , Papa 1, A 1 i k a Homesteads

.... 5 J u n e 1970

Page 110: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

.... 26 J u n e 1970 W. Banko: n e s t s i t e found d e s e r t e d / c a . 0.25 mile NNE H a u o l i R e s e r v o i r , Papa 1, A l i k a Homesteads

W. Banko: n e s t s i t e found d e s e r t e d . . . n e s t found empty / ca. 0.25 m i l e NNE H a u o l i R e s e r v o i r , Papa 1, A l i k a Homesteads

1 8 J u l y 1970

2 J u n e 1971

1 3 J u l y 1971

8 J u n e 1972

W . Banko: h e a r d none d u r i n g b r i e f v i s i t / H a u o l i R e s e r v o i r a r e a , A l i k a Homesteads

W. Banko: h e a r d 1 c a l l i n g ... no n e s t found / n e a r Koa M i l l A l i k a Homesteads

W . Banko: h e a r d p a i r 0535 hour s . . . found n e s t / A l i k a Homesteads 0.25 m i l e from bndry. Papa 1

1 7 , 21, 28 J u n e 1972

21 J u l y 1972

W . Banko: s a w p a i r a t n e s t / A l i k a Home- s t e a d s , 0.25 mile from bndry . Papa 1

W . Banko: found n e s t s i t e d e s e r t e d . . . u n a b l e t o r e a c h n e s t t o i n s p e c t p o s s i b l e c o n t e n t s / A l i k a Homesteads, 0.25 mile from bndry . Papa 1

11 May 1973 W . and P. Banko: p a i r w i t h 1 egg and 1 newly h a t c h e d n e s t l i n g / A l i k a Homesteads, 1.1 miles WSW Koa M i l l

W . and P. Banko: 1 n e s t l i n g p r e s e n t / A l i k a Homesteads, 1.1. miles WSW Koa M i l l

30 May 1973

1 5 J u n e 1973 W . and P. Banko: n e s t l i n g w i t h heavy mite i n f e s t a t i o n o n body / A l i k a Homesteads, 1.1 mile WSW Koa M i l l

22 J u n e 1973 W . and P. Banko: j u v e n i l e n e a r l y r e a d y t o f l e d g e b u t s t i l l i n f e s t e d w i t h mites; sal- vaged f o r c a p t i v e p r o p a g a t i o n / A l i k a Home- s t e a d s , 1.1 miles WSW Koa M i l l

Page 111: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f Hawai' i-- ( C o n t i n u e d )

' x l i k a Homes teads (Yee Hop Ranch) P r o d u c t i o n H i s t o r y ( c o n ' t . )

P. Banko: p a i r w i t h 3 e g g s i n n e s t / ~ l i k a 3600 1 0 J u n e 1974 Homes t eads , 1.1 miles WSW Koa M i l l

P. Banko: p a i r p r e s e n t b u t n o t d e f e n d i n g 3600 23 J u l y 1974 n e s t ; 3 c o l d e g g s ( c o l l e c t e d ) / A l i k a Home- s t e a d s , 1.1 miles WSW Koa M i l l

P. Banko: none s e e n o r h e a r d i n 1 .5 hou r 3600 20 J u n e 1 9 7 5 s e a r c h / A l i k a Homes teads , 1.1 miles WSW Koa M i l l

P. Banko: none s e e n o r h e a r d i n 1 hour 3600 11 J u n e 1976 s e a r c h / A l i k a Homes teads , 1.1 miles WSW Koa M i l l

P. Banko: none s e e n o r h e a r d i n 6 .25 hou r . . . . 29 J u l y 1976 s e a r c h / A l i k a Homes teads , mauka s e c t i o n , a l o n g jeep r o a d s

PAPA - Ho'EpTiloa, Honomalino

423 W. Banko: Pa lmer c o l l e c t e d 2 s p e c i m e n s / . . . . ( S e p t . , Oc t . , o r Honomal i n o Nov. 1 8 9 1

424 W. Banko: Kumakahi ( b o r n 1 9 2 2 , home n e a r . . . . 1935-1938 Honomal ino A g r i c u l t u r a l Co. Hdqs. f rom 1928- ( 2 Feb. 1 9 7 2 ) 1 9 3 8 ) ; accus tomed t o s e e i n g s e v e r a l hundred e v e r y y e a r / when t h e y came down t o a r o u n d h i s home ( 1 6 0 0 f t . e l . ) f rom a r o u n d 3000 t o 4000 i t . e l e v a t i o n d u r i n g Kona s t o r m s

Page 112: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

W . Banko: Hind e s t i m a t e d p o p u l a t i o n o f .... 30-40 / Honomalino, a b o u t 2000-4000 f t . e l . i n bot tom p o r t i o n s o f C a s t l e Paddock, t h r o u g h mauka Waihou, J a c k a s s Paddock, l ower 100 acres., . t h e n i n Kapua where road t u r n s s o u t h ( a b o v e 2200 f t . e l . Hoopuloa, Papa 1 and 2 )

W. Banko: Hind: ' A l a l a were n o t i n f o r e s t 1000- c l e a r e d f o r p a s t u r e , a i r s t r i p , macadamia 1800 n u t s / Honomalino

W . Banko: Hind knew o f s i n g l e f l e d g l i n g 4200 t a k e n from n e s t 0.15 mile NE Honomalino Camp, Hoopuloa

W . Banko: h e a r d 2 / Hoopuloa, n e a r 1926 3360 Hoopuloa l a v a f l o w (1 .25 miles SW Honomalino Camp 4200 f t. e l . )

W . Banko: p a i r s e e n and h e a r d ; f r u i t l e s s 3360 e v e n i n g and morning s e a r c h f o r n e s t / Hoopuloa n e a r e d g e o f 1926 Hoopuloa l a v a f l o w (1 .25 miles SW o f Honomalino Camp 4200 ft. e l . )

W. Banko: S c h a t t a u e r h e a r d 1 / Hoopuloa, 3400 n e a r Papa 2 bndry .

W. Banko: u n s u c c e s s f u l s e a r c h 1450-1530 3360 h o u r s / Hoopuloa n e a r e d g e o f 1926 Hoopuloa l a v a f l o w (1 .25 miles SW o f Honomalino Camp 4200 f t . e l . )

W. Banko: M. Mede i ros h e a r d ' A l a l a same .... l o c a t i o n a s 1971 / mauka o f Honomalino a i r - s t r i p

1950-1957 ( 2 4 S e p t . 1 9 6 9 )

1950-1957 (24 S e p t . 1 9 6 9 )

c a . 1954-1955 ( 2 4 S e p t . 1 9 6 9 )

1 8 May 1971

1, 2 J u n e 1971

21 J u n e 1971

22 J u n e 1971

c a . 5 J u n e 1972

Page 113: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l a n d o f H a w a i ' i-- ( C o n t i n u e d )

PAPA - Ho 'Epc loa , Honomalino ( c o n ' t . )

4 3 3 W. Banko: 3 f o u n d a s s o c i a t i n g t o g e t h e r 1630-1845 h o u r s , o b v i o u s l y n o t b r e e d i n g / Hoopuloa n e a r e d g e o f 1926 Hoopuloa l a v a f l o w ( 1 . 2 5 miles SW o f Honomalino C a m p 4200 f t . e l . )

3360 8 J u n e 1 9 7 2

433a HSFG: r e p o r t e d b u t n o t f ound on s u r v e y s / .... 1 J u l y 1977 - Honomal i n o 30 J u n e 1978

Ho' EpEloa P r o d u c t i o n H i s t o r y

434 W. Banko: M . M e d e i r o s and h i s c h i l d r e n 3300 5 May 1 9 7 3 found and f o l l o w e d d i s t u r b e d p a i r t o low n e s t / Hoopuloa , 1 . 3 miles WSW Honomalino Camp, n e a r e d g e 1926 Hoopuloa l a v a f l o w

435 W . and P. Banko: f o u n d n e s t l o c a t e d by M e d e i r o s ; p a i r s t i l l p r e s e n t i n area b u t n e s t empty / Hoopuloa , 1 . 3 miles WSW Hono- m a l i n o Camp n e a r e d g e 1926 Hoopuloa l a v a f l o w

3300 1 0 May 1 9 7 3

436 W. and P. Banko: p a i r i n t e r r i t o r y b u t n o t 3300 1 6 May 1 9 7 3 a r o u n d n e s t which is s t i l l empty / Hoopuloa , 1 . 3 miles WSW Honomalino Camp n e a r e d g e 1926 Hoopuloa l a v a f l o w

437 W. and P. Banko: none h e a r d o r s e e n ; n e s t 3300 1 4 J u n e 1 9 7 3 a p p a r e n t l y d e s e r t e d / Hoopuloa , 1 . 3 miles WSW Honomalino C a m p n e a r e d g e 1926 Hoopuloa l a v a f l o w

438 P. Banko: 4 s e e n , a p p a r e n t l y a l l a d u l t s / 3100 25 J u n e 1974 Hoopu loa , 1 . 7 miles SW Honomalino Camp

439 W. and P. Banko: none s e e n o r h e a r d i n 3100 1 0 J u l y 1 9 7 5 1 h o u r s e a r c h / Hoopuloa , 1 . 7 m i l e s S W Honomal i n o Camp

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440 P. Banko: h e a r d 1 o r 2 / Honomalino, 1 . 6 miles SW Honomalino Camp n e a r e d g e 1916 l a v a f l o w

3100 27 J u l y 1976

441 P. Banko: none s e e n o r h e a r d i n 1 4 h o u r .... s e a r c h / h i k e a l o n g j e e p r o a d s i n mauka Honomalino and Kapua a h u p u a ' a

442 P. Banko: none h e a r d o r s e e n i n 1 3 . 7 5 hou r .... s e a r c h / Honomalino, Kahuku, Hoopuloa and Papa 2 a h u p u a ' a a l o n g mauka j e e p r o a d s

PAPA - K a p u ' a - Manukz F o r e s t R e s e r v e , Manukz

4 4 3 W . Banko: Meinecke r e p o r t e d 'Alala t o be 1760 a b u n d a n t when S. Pua was s h e r i f f / Manuka (now S t a t e P a r k )

444 W . Banko: Bryan: p e r h a p s a d o z e n f o r m e r l y 1760 p r e s e n t s e a s o n a l l y / n e a r Manuka r a n g e r c a b i n (now S t a t e P a r k )

444a W. Banko: S c h a t t a u e r s a w a few t i m e s / .... a l o n g B e l t Highway ca. 1 . 0 m i l e S Manuka c a b i n

445 Baldwin : B r e i t h a u p t r e p o r t e d ' A l a l a now g o n e .... w h e r e e a r l i e r i t was p r e s e n t and tame / l a n d s i n Upper Manuka

446 W . Banko: J o h a n s e n ( c a r e t a k e r Manuka S t a t e 1760 P a r k ) h a s n e v e r s e e n ' A l a l a i n a r e a / Manuka S t a t e P a r k

447 W. Banko: M o l c i l i o r e p o r t e d 'Ala la s t i l l 5360 common, a s many as 6 i n f l o c k / "Kapual' (Kahuku Ranch camp) 1 9 1 6 l a v a f l o w n e a r Hoopuloa b n d r y .

27 J u l y 1976

28 J u l y 1976

(1909-1931) ( 2 5 Feb. 1 9 6 9 )

1940 ' s ( 1 4 Dec. 1 9 6 6 )

1960-1969 ( 1 0 J u n e 1 9 6 9 )

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I s l a n d o f H a w a i ' i - - ( C o n t i n u e d )

PAPA - Kapu' a - Manukh F o r e s t R e s e r v e , ManukZ ( c o n ' t .)

448 W . Banko: u n a b l e t o f i n d on s e v e r a l t r i p s 5360 (1967-1968) whe re r e p o r t e d p r e s e n t i n t h e 1 9 5 0 ' s / "Kapua" (Kahuku Ranch camp - 1 9 1 6 l a v a f l o w n e a r Hoopuloa b n d r y )

448a HSFG: none found o n s u r v e y s / Kapua

448b P. Banko: none s e e n o r h e a r d / Kapua

Ka 'E D i s t r i c t

DISTRICTWIDE INFERENCE

449 g r e a t l y r e d u c e d i n numbers / Kau f o r e s t s

449a h e a r d t o t a l o f 4 . . . may h a v e been t r a n s i e n t / ( i n s u r v e y o f f o r e s t b i r d s i n Kau D i s t r i c t )

KEAIWA RESERVOIR - Kahuku

.... 1 J u l y 1977 - 30 J u n e 1978

. . . . 1936-1937

.... Summer o f 1976

450 W . Banko: Sumner saw / Puu K i n i k i n i , 6200 (1949-1951) 1 mile NE o f Hawaii S t a t e F o r e s t r y c a b i n

4 5 1 W . Banko: Sumner h e a r d / Paauau-2, n e a r ca. 6200 (1949-1951) w a t e r h o l e , 4 miles NE P u n a l u u Kahawai

WOOD VALLEY - ~ a p z p a l a

452 W . Banko: Henshaw c o l l e c t e d 5 s p e c i m e n s / .... 25 O c t . 1899 ( 3 ) Ha l fway House, Kau 25 Nov. 1899 ( 2 )

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453 W . Banko: Henshaw c o l l e c t e d 8 s p e c i m e n s / .... 4 Dec. 1 9 0 1 ( 7 ) K a p a p a l a (Ranch ) 1 5 D e c . 1 9 0 1 (1)

454 W. Banko: Henshaw c o l l e c t e d 7 s p e c i m e n s / .... 26 Feb. t o A inapo 3 Mar. 1902

455 W . Banko: Sumner h e a r d / Ainapo-Pawaina ca. 4000 1949 p a d d o c k s ca. 1 mile NNE o f Ainapo House

456 W . Banko: Sumner r e p o r t e d s e e i n g / ca. 4700 1949-1951 K a p a p a l a : ca. 4 miles WSW o f Ainapo Hoonaunui Paddock , K a p a p a l a Ranch

457 W . Banko: Sumner h e a r d / K a p a p a l a ; 5950 1949-1951 A n i p e a h i (ca. 4 .5 miles W o f A inapo ) f o r e s t o f I l i a h i and Naio . . . above Yamaoka Paddock , K a p a p a l a Ranch, n e a r Kahuku b n d r y .

458 W . Banko: Sumner r e p o r t e d p r e s e n t / 5600- 1949-1951 A n i p e a h i , K a p a p a l a , i n f a l s e sanda lwood 6200 f o r e s t be low u n d a t e d l a v a f l o w c a . 4 miles WNW o f A inapo

459 W . Banko: Sumner r e p o r t e d s e e i n g / 4700- 1949-1951 K a p a p a l a ( R a n c h ) , u p p e r Yamaoka Paddock , 5300 3 miles W Ainapo

460 W . Banko: Sumner h e a r d / W a i a k a l o a G u l c h , . 3800 1949-1951 K a p a p a l a , n e a r spr i n g

461 W . Banko: C a r l s o n saw 1 / a b o u t 1 mile .... 1 5 S e p t . 1 9 6 8 below Kau E n t r a n c e t o HVNP

PUU KEOKEO - Kahuku, K i o l a k a ' a

462 W . Banko: Meinecke s a i d ' A l a l a was abun- .... . (1909-1931) d a n t when S. Pua was s h e r i f f / mauka Kahuku ( 2 5 Feb . 1 9 6 9 ) Ranch

463 W . Banko: Shipman r e p o r t e d l o t s / Kahuku, .... c a . 1 9 1 1 camped a b o u t 5000 it . e l . ( 1 8 Feb . 1 9 7 0 )

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I s l a n d o f Hawai' i-- ( C o n t i n u e d )

PUU KEOKEO - Kahuku, K i o l a k a ' a ( c o n ' t . )

464 B r e i t h a u p t ( f r o m l i f e - l o n g f a m i l i a r i t y w i t h 6000 1949 u p l a n d s o f s o u t h Kau) : s t i l l t o b e found / n e a r Kipuka Nene (Kahuku)

465 3 d a y s s p e n t i n u n s u c c e s s f u l s e a r c h / a l o n g .... 15-17 Mar. 1949 t h e 1 2 m i l e s t r e t c h uppe r b n d r y Kau F o r e s t R e s e r v e be tween Kipuka A k a l a , 5 3 7 2 , f t . e l . and p o i n t 4 miles NE Puna luu Kahawai , 7000 f t . e l .

466 W. Banko: saw and h e a r d none / 3 mile l o o p .... 1 3 J u n e 1972 h i k e f rom 4680 f t . e l . a t end j e e p r o a d Kahuku Ranch, down a l o n g NW bnd ry . K i o l a k a a , a c r o s s 1926 l a v a f l o w , r e t u r n t h r o u g h Kahuku c a t t l e p a s t u r e s t o v e h i c l e , 0530-0830 h o u r s

467 W . Banko: M o l c i l i o h e a r d a n u n d e t e r m i n e d ca. 4500 29 Aug. 1974 number / ca. 0 .25 m i l e i n t o K i l o l a k a a f rom bndry . w i t h Kahuku Ranch

PUNALUU - Kahuku

468 W. Banko: Sumner r e p o r t e d f o r e s t t o b e f u l l o f ' A l a l a / P u n a l u u Kahawai , Kahuku, ca. 1 mile S o f S t a t e f o r e s t r y c a b i n

PUNALUU - K a i h o l e n a , Mounta in House

469 W. Banko: Yamamoto s a w 1 / i n K a i h o l e n a p a s t u r e . . . n o w ( 1 9 6 9 ) c a n e l a n d

470 W . Banko: P a i v a saw s i n g l e s u s u a l l y b u t some t imes s e v e r a l p e r d a y / f o r e s t be low K a i h o l e n a , Hilea

.... d u r i n g 1950 Mauna Loa ( 3 ) e r u p t i o n (1 -23 J u n e )

.... l a t e 1 9 5 0 ' s ( 1 0 J u n e 1 9 6 9 )

2500 l a t e 1 9 5 0 ' s ( 1 0 J u n e 1 9 6 9 )

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471 W . Banko: P a i v a : 'Ala la n o t f ound a f t e r 2500 f o r e s t was c l e a r e d / a r e a be low ~ a i h o l e n a , Hilea

472 Bachman: h e a r d o n l y ... no v i s u a l c o n t a c t / .... s e v e r a l hou r h i k e a b o v e Mounta in House

473 Bachman: f r e q u e n t s i g h t i n g s h a v e r e c e n t l y .... b e e n made; 6 s e e n i n K a i h o l e n a / v i c i n i t y o f Moun ta in House and K a i h o l e n a i n Kau F o r e s t R e s e r v e

474 W . Banko: V. Hansen r e p o r t e d ' A l a l a s e e n o r ,... h e a r d / v i c i n i t y o f K a i h o l e n a

475 W . Banko: D e r a s i n l a s t h e a r d 'Alala / a b o v e Moun ta in House, Kau

PAHALA - ~ Z h a l a

476 W . Banko: Wa l ton saw i n f l o c k s o f 1 0 t o 1 5 ; .... maybe 1 f l o c k s e e n p e r b i r d - c o l l e c t i n g - t r i p , some c o l l e c t e d / i n t h e n a t i v e f o r e s t , P a h a l a area

KAHUKU RANCH - Kahuku, K i o l a k a ' a , ~ a i ' s h i n u

477 W . Banko: Meinecke r e p o r t e d 'Ala la t o b e .... a b u n d a n t when S. Pua was s h e r i f f / Kahuku Ranch mauka B e 1 t Highway

478 W . Banko: M o l c i l i o u sed t o see many...up t o 3400- 1 2 i n f l o c k , b u t t h e y d e c l i n e d when f o r e s t 4000 was c l e a r e d f o r p a s t u r e / a l o n g j e e p t r a i l above P a l i o Ka Eo, Kahuku

479 W . Banko: Rice r e p o r t e d s e e i n g none s i n c e .... ca, 1960, . .when c l e a r i n g o p e r a t i o n s s t a r t e d up a t ca. 3500 it.. .had h e a r d t h a t c rows d e s e r t a r e a s which h a v e t r a c t o r s work ing . . . / Kahuku Ranch

e a r l y 1 9 6 0 ' s ( 1 0 J u n e 1 9 6 9 )

30 J a n . 1966

1 Feb . 1966

1 6 Dec. 1966

maybe a y e a r a g o ( 1 8 J u l y 1 9 7 3 )

1896-1903 ( 1 7 Dec. 1 9 7 2 )

(1909-1931) ( 2 5 Feb. 1 9 6 9 )

1951-1958 ( 1 6 J u n e 1 9 6 9 )

( 2 9 Dec. 1 9 6 6 )

Page 119: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

I s l and of Hawai'i--(Continued)

KAHUKU RANCH - Kahuku, Kiolaka 'a , WaiV6hinu (con' t .)

480 W . Banko: Molci l io saw 2 twice i n a month ca.2000- ca. 1 9 6 4 or so / bndry. of Kiolakaa-Keaa Homesteads 2400 (16 June 1969) Addition and Fores t Reserve

481 W . Banko: F r e i t a s saw ca . 4 t imes i n l a s t 3100 1968 10 years . . . l a s t time 3 together i n 1968 / ( 1 0 June 1969) Waiohinu ca. 1 mile NE Kiolakaa, Kau Forest Reserve

482 W . Banko: Molci l io saw none t h i s p a s t year .... ( 2 7 Apr i l 1971) / Kahuku Ranch

483 W . Banko: Molci l io heard 'Ala la / Kiolakaa .... ca. Oct. 1971 Fores t , near Kahuku Ranch ( 7 June 1972)

NAALEHU - Kiolaka' a , Kea' Z , NZ' Zlehu

484 W . Banko: Henshaw obtained 3 specimens / Naalehu

485 Munro saw l . . .heard o t h e r s c a l l i n g / Moun- t a i n House T r a i l above Honuapo ... while on the Kilokaa (Kio1akaa)-Keaa T r a i l NW of Waiohinu

486 p resen t according t o unconfirmed hearsay from l o c a l sources / f o r e s t s above Naalehu

487 W . Banko: formerly abundant according t o Yonemitsu ( r e s i d e n t of Kau s i n c e 1924) / i n g r a s s and macadamia nut t r i a l p lant ing a reas ... Naalehu Plantation...much former range now i n sugarcane

.... 1 4 Dec. 1901 ( 2 ) 1 5 Dec. 1901 (1)

.... Sept. 1936

.... 1940

.... (20 Dec. 1966)

488 W . Banko: Kauwe reca l l ed common / i n f o r e s t .... ca. 1920 above Naalehu

I-' I-' a

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H a w a i i V o l c a n o e s N a t i o n a l P a r k

KILAUEA CRATER

489 r a n g e s i n t o t h e s c a n t y woods o n t h e l a v a / .... a l o n g t h e Kau r o a d be low t h e V o l c a n o House

490 Shipman: a few p a i r s u sed t o b r e e d i n t h e .... koa f o r e s t / some 2 miles W o f t h e V o l c a n o House

491 NPS: Ba ldwin : D. P a r i s s a i d ' A l a l a l i v e d .... and n e s t e d / B i r d Park-Kipuka K u l a l i o a r e a

492 Shipman: p r e s e n t / j u s t beyond V o l c a n o . . . . House

493 NPS: 1 r e c o r d / K i l a u e a .... 494 Donaghho: Blacow r e p o r t e d s e e i n g l a r g e ....

b l a c k squawking b i r d / i n and n e a r K i l a u e a C r a t e r

495 Donaghho: O l son : o t h e r s b e s i d e s Blacow had .... s e e n o r h e a r d i t / K i l a u e a

496 saw 1 a t c l o s e r a n g e / Kipuka ~ u a u l u ( B i r d .... P a r k )

497 W . Banko: Mermel saw l a r g e b l a c k b i r d .... r e s e m b l i n g crow jump up f rom g round and f l y s i l e n t l y away ... i n c lear s i g h t f o r 5-10 s e c o n d s ... v i s i b i l i t y good / T r e e Molds h o r s e p a s t u r e , HVNP, n e a r V o l c a n o Go l f C o u r s e (1730 h o u r s )

498 W . Banko: P u n i w a i ( f r o m window o f r e s i d e n c e ) .... saw 1 on g r o u n d f l y i n t o a t ree where i t r ema ined b r i e f l y and t h e n f l e w s i l e n t l y away.. . c o u l d n o t r eca l l e x a c t d a t e / HVNP r e s i d e n c e a r e a

(1894-1902)

( p r i o r 1894-1902)

p r i o r e a r l y 1 9 0 0 ' s

ca. 1910 ( 1 8 Feb. 1 9 7 0 )

( ? 1 9 4 1 )

11 J a n . 1 9 7 5

29 Aug. 1976

Mar. 1977 ( 5 A p r i l 1 9 7 7 )

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E x t a - l i m i t a l - I s l a n d o f Hawai' i

Koha l a ~ i s t r i c t

499 W. Banko: S t e a r n s saw a s i n g l e i n d i v i d u a l .... a t c l o s e r a n g e a t same l o c a t i o n on two occa- s i o n s / j u n c t i o n o f Kahua f e n c e l i n e a c r o s s j e e p r o a d and head of P o l o l u ( v a l l e y )

HONOKANE

500 W . Banko: F i t c h saw 1 f l y i n g / c a n e f i e l d .... a b o u t 1 . 5 miles f rom N i u l i i toward P o l o l u V a l l e y l o o k o u t

Ka'E D i s t r i c t

KULANI - Keauhou

501 Manu I k i S o c i e t y : Ba ldwin r e p o r t e d 1 s e e n / .... n e a r Puu K u l a n i , Kau

502 W . Banko: Landgra f and C a r l s m i t h h e a r d 2 / .... 200 f t . o r s o o f f Puuoo t r a i l be tween Keawe- wai camp and Puuk ipu

503 W . Banko: Wakida, P e t t y s , Kamelamela, .... H o r i u c h i and o t h e r s h e a r d 2 f o r c e r t a i n , p o s s i b l y more / n e a r Puu Laau , ~ i l a u e a F o r e s t R e s e r v e

KA LAE - P Z k i n i Nui

504 W . Banko: W h i t e saw 1 / a t W a i a h u k i n i ( l a n d .... o f P a k i n i N u i ) n e a r c o a s t , w h i l e on way t o S o u t h P o i n t

f i r s t w e e k i n S e p t . ; 4 , 5 , o r 6 Nov. 1970 (11 Dec. 1 9 7 0 )

22 S e p t . 1968

( ? 1 9 4 1 )

6 Aug. 1 9 7 1

27 Feb. 1974

A p r i l o r May 1969 ( 1 0 J u n e 1 9 6 9 )

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~ T l a u e a D i s t r i c t

UNSPECIFIED LOCALITY

505 not found / Olaa woods . . . . 506 seems not t o d e s i r e , or perhaps be a b l e , t o ....

pass / i n t o Puna ( D i s t r i c t )

507 W . Banko: Shipman never saw / i n Puna .... ( D i s t r i c t )

VOLCANO

508 W . Banko: S c o t t saw 1 f l y i n g / near Volcano .... 509 W . Banko: M u l l saw 1 (from window) f l y i n t o ....

midstory of an ohia t r e e i n h i s yard where it remained f o r a b r i e f period and then flew s i l e n t l y away (1530 hours) / residence on Kalanihonua Road, Volcano

PAHOA SOUTH

510 W . Banko: Keylon was p o s i t i v e h e saw one .... f l y i n g s i l e n t l y towards the coas t ; a l s o w i t - nessed by school c h i l d r e n , 0730 hours / near Pahoa School

KALAPANA

511 W . Banko: Judd reported seeing 1 a t ca. .... 4 0 f t . . ,b lack with prominent b i l l , broad wings, smaller than a hawk / ca. 1 mile to- wards Puna from Queen's Bath (Kalapana)

512 W . Banko: Roberts daughter-in-law, . . . . Bernadet te , saw and heard one / around her residence ca. 1 mile N E of Wahaula Heiau

1 7 Nov. 1 9 7 4

16 Oct. 1977

1 May 1971

e a r l y Feb. 1978

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E x t r a - l i m i t a l - I s l a n d o f H a w a i ' i - - ( C o n t i n u e d )

Hawaii V o l c a n o e s N a t i o n a l P a r k

PUU ULAULA

512a W . Banko: Be e r , ~ a k i z u r u and Makizuru 8500- examined o n e 7 5 f t . away t h r o u g h b i n o c u l a r s 9000 b e f o r e i t f l e w away / a l o n g Mauna Loa summit t r a i l

VOLCANO

513 O l s o n s a w 1 i n f l i g h t / n e a r E e n t r a n c e t o .... HVNP on t h e h ighway t o H i l o

514 W . Banko: Cruz saw and h e a r d 1 w h i l e .... h u n t i n g p i g s . . . c o u l d n o t remember s e a s o n o r e x a c t y e a r / c a . l ' m i l e NE o f Napau C r a t e r

515 W . Banko: Cruz saw and h e a r d 1 a f t e r a .... h a r d Kona s t o r m / n e a r Kokoolau , C h a i n o f Cra te r s

516 W . Banko: Mermel l o g g e d r e p o r t ( 1400 h o u r s ) . . . . o f t o u r b u s d r i v e r who h e a r d and r e p o r t e d a b o u t 5 t o u r i s t s saw l a r g e b l a c k b i r d i n t h e t r e e s and a s k e d i f t h e r e we re c rows i n t h e a r e a . . . s a i d f o r e s t b i r d s became q u l e t when t h e b lack b i r d squawked / T h u r s t o n Lava Tube

KALAPANA

517 W . Banko: R o b e r t s h e a r d 1 / Wahaula He iau . . . . 518 W . Banko: R o b e r t s : Pau h e a r d and saw 1 ....

twice on d i f f e r e n t d a y s / n e a r Wahaula He iau

3 A p r i l 1967

27 Nov. 1940

ca. 1960 ( 1 5 J a n . 1 9 6 9 )

W i n t e r o f 1963-1964 ( 1 0 J a n . 1 9 7 3 )

5 S e p t . 1976

e a r l y Feb. 1 9 7 8

w e e k o f 2 o r 9 Feb. 1978

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. 8 a P. Banko: h e a r d 1 ( p o s s i b l y 2 ) n e a r Wahaula H e i a u a t 0815 h o u r s b u t c o u l d n o t make v i s u a l c o n t a c t ; t o l d by M . P l o t t h a t a p o s s i b l e s i g h t i n g o f o n e had b e e n made s e v e r a l weeks p r e v i o u s l y i n t h e same a r e a by a r c h a e o l o g i c a l s u r v e y crew

Mauna Kea ~ i s t r i c t

MULTIQUADRANGLE

.... 1 0 J u n e 1978

519 n o t f ound / H i l o D i s t r i c t .... (1894-1902)

520 n o t s e e n o n s u r v e y s and unknown i n r e c e n t .... (1976-1977) h i s t o r y ... d o u b t f u l w h e t h e r h a b i t a t is c u r - r e n t l y o f a n y s i g n i f i c a n c e / U . S . Army P o h a k u l o a T r a i n i n g Area

UMIKOA

521 W . Banko: D a h l b e r g saw and h e a r d 3 / ca. 3500 11 J a n . 1974 0 .25 mile maka i Kuka i au Ranch ( 'Umikoa ) ( 1 6 O c t . 1 9 7 4 ) ( 2 8 miles N o f H i l o )

KEANAKOLU

522 W . Banko: L a n d g r a f h e a r d 2 / Maulua T r a i l c a . 5200 11 J a n . 1969 o n e - f i f t h way t o Shack Camp f rom W a i p u n a l e i T r a i l . . . w i n d w a r d Mauna Kea

523 W . Banko: L a n d g r a f h e a r d 2 / Maulua T r a i l c a . 5200 21 May 1969 one-f i f t h way t o Shack Camp f rom ~ a i p u n a l e i T r a i l ... windward Mauna Kea

524 W . Banko: L a n d g r a f : Mi randa saw 2 / a l o n g ca. 5100 1 7 o r 1 8 S e p t . 1 9 7 1 Maulua T r a i l n e a r Shack Camp, Laupahoehoe

525 W . Banko: L a n d g r a f h e a r d 2 / w i t h i n c a . 5100 25 S e p t . 1 9 7 1 0 .25 m i l e o f Shack Camp and 0 .25 mile o f 1969 r e p o r t

Page 125: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

E x t r a - l i m i t a l - I s l a n d o f H a w a i ' i-- ( C o n t i n u e d )

PUA AKALA

526 W . Banko: L a n d g r a f and Kamelemela h e a r d 2 , 6300 24 J u l y 1 9 7 5 0700 h o u r s / P u a A k a l a (Puuoo Ranch)

NAOHUELEELUA

527 W . Banko: B r y a n s a w a small f l o c k o f p e r - c a . 6000 1 9 S e p t . ,1950 h a p s h a l f a d o z e n / i n Kipuka A l a l a , o l d ( 1 4 Dec. 1 9 6 6 ) pahoehoe mamane-naio-ohia k i p u k a

528 W. Banko: Ladd s a w 1 and h e a r d 1 w h i l e s k i n - 4700 Dec. 1 9 7 5 n i n g a s h e e p / n e a r E e d g e o f 1859 l a v a f l o w , P u u a n a h u l u

P I IHONUA

529 W. Banko: a c c o r d i n g t o C r a v a l h o 2 ' A l a l a came t o h i s p a s t u r e a b o u t 10-12 y e a r s a g o and h e saw them r e p e a t e d l y u n t i l 1 d i s a p p e a r e d s e v e r a l y e a r s l a t e r . Its companion r ema ined and is a l s o s e e n r e p e a t e d l y . . . i n g u a v a t rees and a r o u n d p o n d s i n p a s t u r e whe re i t a p p e a r s t o f e e d o n b u l l f r o g s / c a t t l e p a s t u r e o f f A k o l e a Road, P i i h o n u a , H i l o

( 9 May 1 9 7 7 )

530 Tomich: 1 r e p o r t e d / abandoned c a n e l a n d ca. 1000 Mar. 1970 ... o f f ~ a i k a h e Road, ca. 0 .25 mile f rom n a t u r a l l y f o r e s t e d l and . . .Wa iakea U k a , a b o v e H i l o

Page 126: lala) la) - University of HawaiiForest Birds: Hawaiian Raven/Crow lala) la) Winston E. Banko and Paul C. Banko Winston E. Banko Research Associate Hawaii Field Research Center Hawaii

531 W. Banko: Pung saw 2 l a r g e b l a c k b i r d s c a . 700 c a . 1 3 A p r i l 1977 resembl ing ' A l a l a f l y i n g toward Mauna Kea a t dusk. . . s u r p r i s e d b u t c e r t a i n of i d e n t i t y / near Ainako Avenue, H i l o

E x t r a - l i m i t a l - I s l a n d of Maui

P A I A

532 W. Banko: Vaughn saw a d a r k b i r d c a . 1730 .... 26 Oc t . 1970 h o u r s b a c k l i t i n a£ t e r n o o n l i g h t , w i t h " f r i n g e d " wing edges and w i t h s t r a i g h t ( n o t g u l l - s h a p e d ) wings ( r e c a l l e d he r e a c t e d t o i t a s a crow b e f o r e i t dawned on him t h a t t h e r e a r e no crows on Maui) / v i c i n i t y of Puunene t u r n o f f

t-' PC, I-