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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 |