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23 Cards in this Set
- Front
- Back
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The term for when birds hook their BARBULES back together and add oil
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PREENING
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Why do the birds add oil to feathers?
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to make them waterproof
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What type of bird does the fishing for Chinese fisherman and have a ring put around their necks?
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Cormorants
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What is the very middle of feather called, it runs from the bottom to the top.
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Shaft
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What is the part of the feather called that attaches to the bird, in olden days used as pens.
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Quill
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What is a birds HOMING INSTICT used for?
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For guiding the bird back home.
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Why do birds primarily build nests?
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To lay eggs, and raise babies.
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At what time of year do birds start getting the urge to nest...why?
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In spring, as the days start getting longer and the weather turns warmer.
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What happens during a bird's courtship?
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The boy birds tries to prove to the female bird that he is the best choice to mate with.
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What part of an egg would become a chicken if it were fertilized (receive part from male chicken)?
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germinal disk
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What part of the egg would be food for the baby chick?
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Yolk
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What part of the egg does the baby chick get air first?
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air cell or air sac
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Where does the baby chicken first break the egg to get out/hatch?
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Breaks through the air cell area of the shell.
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Tiny holes in the shell that allow air to go through are called...
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pores
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The egg white is also call the....
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albumen
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What are the ropey strands that anchor the yolk in place?
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Chalazae
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Small triangle on the top of a baby chick's beak is called an....
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egg tooth....helps baby to break open shell and hatch.
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What is the patch on the mothers bell called where she looses feathers so the eggs can sit against her skin more warmly?
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brood patch
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What are some reasons for a bird to sing a song?
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1) attract a mate
2) males sing for females 3) to mark territory |
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What is the bird's voice box called?
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Syrinx
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What qualities to PASSERINES have?
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1) they perch on branches
2) they are singing (song) birds 3) they eat insects |
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What is the difference between a bird SONG and a bird CALL.
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bird call = a single sound
bird song = notes that make a pattern |
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What is MOLTING?
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when birds loose and replace their feathers, usually happens once year
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