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BIrds
Birds
Term | Definition |
---|---|
vertebrates | have backbones |
endotherms | heat comes from inside |
102 | body temp of birds |
feathers | stay dry, warm and attract mates |
preening | taking care of feathers |
oil gland | located near tail |
molting | replacing feathers |
down feathers | soft; next to the body |
contour feathers | stiff; gives shape and helps to fly |
crop | organ that stores food |
gizzard | contains stones to grind food |
brooding | act of sitting on eggs for hatching |
precocial | active after hatching; can be on their own |
altricial | must rely on parents at birth |
ostrich | largest living bird |
penguins | birds that fly under water |
kiwis | nocturnal bird of New Zealand |
water birds | have webbed feet or long legs for wading |
birds of prey | have sharp claws, sharp curved beaks and very good vision |
perching birds | special adaptations for resting on branches |