1. A bird that catches insects while in flight

1. One of the many soft, epidermal growths that cover a bird's body

2. The hollow, saucer-shaped part of a bird's nest where eggs are laid

3. To emerge from an egg by breaking its shell

4. The act of blending in with the surroundings to avoid detection

5. A bird known for its intricate nest-building and decoration

6. The movement of birds from one region to another

7. Covered with feathers

8. A songbird with a red breast that commonly builds nests

9. A large enclosure for keeping birds

10. A young bird usually covered with down feathers

11. An animal that hunts and kills other animals

12. To sing with a long, complex, and melodious sound

13. To sit on and cover eggs to keep them warm

14. The oval-shaped reproductive cells laid by birds

15. To move gently back and forth

16. A hard, pointed structure used for feeding and grooming

16. Warm-blooded vertebrate possessing feathers and beaks

17. The soft, fluffy feathers found on young birds or under the outer feathers of adults