Across
- 4. this bird can flybackwards
- 7. the largest bird in the world
- 8. Birds are the only animals that have these
- 9. this bird cannot fly but spends 75% of its time underwater
- 12. a bird of preys sharp, hook-like toenails
- 14. large eyes and sensitive ears allow this bird to hunt at night
- 16. this is the state bird in seven US states
- 17. Benjamin Franklin wanted this to be the National bird
Down
- 1. the temperature classification of birds
- 2. a group of geese on the ground
- 3. birds evolved from these animals
- 5. this birds mimics the sounds of other birds
- 6. when birds move from one region to another according to seasons
- 10. this bird eats with its head upside down to strain water out of its food
- 11. this large, flightless bird is extinct
- 13. this bird is a scavenger
- 15. a bird of prey
- 18. the largest songbird in North America
