Across
- 3. Order of water fowl
- 4. Greek: Jaw
- 6. Order of land fowl
- 7. Birds are the only kind of animal with ____
- 11. Infraclass meaning "New Jaw"
- 12. Latin: Rooster
- 14. Rear
Down
- 1. Infraclass meaning "Old Jaw"
- 2. Greek: Old
- 5. Meaning "can't fly"
- 8. Hollow bones have ridges and ______
- 9. Hollow or _______ bones
- 10. Forward
- 11. Greek: New
- 13. Latin: Goose