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
