Across
- 1. scientific name of birds
- 3. name of the mouth of a bird
- 4. organ that stores the food in a bird's digestive system
- 6. downward vertical flight with close wingspan
- 7. another name for warm blooded animals
- 9. Feather that helps birds take off
- 11. downward vertical flight with open wingspan
- 13. the covering of a bird's body
- 15. feather from the body of a bird
- 16. feather at the back of the bird
- 18. frontward motion of birds with a continous movement of the wings
- 20. stationary flight of some birds evn thoug their wings are flapping
Down
- 2. upward slow horizontal flight with open wingspan usind warm air vents in the atmosphere
- 5. study of birds
- 8. organ use for reproduction, egg laying and excretion
- 10. the skeletal system of a bird is
- 12. organ the grinds the food in a bird's digestive system
- 14. the covering of a bird's feet
- 17. feather that keeps birds warm
- 19. organ that stores the air in a bird's respiratory system