Mammalogy LAB Althoff Acoustic Monitoring - BATS.
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Mammalogy LABAlthoff
Acoustic Monitoring - BATS
Sound Basics
INFRA SOUND Human ULTRA SOUND
From Neuweiler (1990). Biology of Bats. Fig. 3.24
Best Frequency of Audition (kHz)
Fora
ging
hei
ght a
bove
gro
und
(m)
____________
(some) Ohio Bats General Range of Echolocations
35kHz 40kHz >40kHz
Silver-haired batBig Brown bat
Red bat
20 kHz
25 kHz
Hoary bat
Indiana batLittle brown batLong-eared bat
___kHz bats
______ kHz bats
Acoustic Monitoring EquipmentACTIVE vs. PASSIVE• ________
• Wildlife Acoustics – __________ __________
Acoustic Monitoring SoftwareANALYSIS• ____________• SonoBat 3.0x• BatScan
Keying Out/ID:_________ & __________
Keying Out/ID:Range & Steepness
Can you ID?Range: _________Steepness: Steep Curved FlatSpecies: _______________
1
Can you ID?Range: _________Steepness: Steep Curved FlatSpecies: _______________
2
Can you ID?Range: _________Steepness: Steep Curved FlatSpecies: _______________
3
Can you ID?Range: _________Steepness: Steep Curved FlatSpecies: _______________
4