click below
click below
Normal Size Small Size show me how
Birds
A section in the Vertebrate Study Guide
| Question | Answer |
|---|---|
| Are birds endothermic or ectothermic? | Endothermic |
| What characteristics do all birds share? | 2 Wings, 2 Legs, A bill or beak |
| What is the one unique characteristic to all birds? | feathers |
| What do their young develop in before hatching? | hard-shelled eggs |
| What do mother birds do to help nurture & develop their young until birth? | sit on them to keep them warm |
| Describe the bones of bird skeletons. | Light & strong skeleton for flying; Hollow bones |
| What does flight require a great amount of? | energy & oxygen |
| Why are there different wing types?Different purposes. | Wing shape & surface area, air speed & angle all combine to provide an upward push for flight. Gliding, Soaring, Rapid Takeoff, Hovering |
| What are contour feathers? | strong, lightweight feathers that give shape and coloring |
| What are barbs? | parallel strands that branch off of the main part of the feather |
| What do contour feathers help the bird to do? | move through air & water; steer & keep in control |
| What are down feathers? | trap and keep warm air next to bird body |