Across
- 2. Names of special parts of the bird's.
- 3. A specific group of animals.
- 5. These birds don't fly.
- 9. This means warm-blooded.
- 13. Birds use these to fly
- 14. An animal that eats only plants.
- 15. These are made of hair nand nails.
- 17. The outside of the egg.
- 18. An animal that eats plants and animals.
- 20. Birds lay __________.
Down
- 1. ____________ animals lay eggs.
- 4. The average temperature of an area.
- 6. animals with a spine or backbone
- 7. Birds have 2 wings and 2 ________
- 8. Birds and mammals breathe with __________
- 10. An egg that breaks open
- 11. An animal that eats meat.
- 12. Birds are covered with _______________.
- 16. Bird bones are ____________.
- 19. The mouth of a bird ____________