Word for cleaning feathers?

preen

3 systems united in cloaca

Digestive, reproduction, excretory

Brood patch is what?

Bare skin to keep eggs warm

Name of bird/reptile found in Germany?

Archopteryx lithographacus

Central portion of a feather (vein)

rachis

How many chambers are in the heart?

four

Pterodactyl means?

Wing finger

Why was limestone in demand in the 1700’s

printing

Special feature of respiratory system

Air sacs

Cow birds and cuckoos have odd rearing practice

Brood parasitism

Three functions of a feather

Flight, mate, and insulate

Two major lobes of the brain?

Optic and cerebellum

Why do birds change feathers and what is it called?

Molt

Mate

migrate

2 skeletal features that aid in flight?

Hollow, fused bones

How are birds classified?

Anatomy, DNA, song

Protobird has reptile and bird features such as

Teeth, feathers, fine boned

skeleton, and scales

Why would birds have a broader range then reptiles?

Endothermic and feather

Contrast precocial and altricial?

Number of eggs

Nests on ground Behavior at birth

Describe the two theories of bird origin

Cousins of dinosaurs because of common ancestor

OR

descendent of dinosaurs

Factors that influence migration

Food, season, mating

Resources that help in navigation

Stars, magnets in head, visuals cues

List organs in the digestive system

Mouth, esophagus, crop, proventriculus, gizzard,

intestine

Compare and contrast birds and reptiles

Type of egg shell

Ecto vs. endothermic

Feathers

scales

incubation of eggs in nest

or not