Across
- 3. Songs of the deep
- 6. Stridulations and rasping
- 7. Echolocation and ultrasound
- 8. Chirps, whistles, and melodious calls
- 11. Roar
- 13. Hisses and Rattles
- 14. Snorts and Coughs
- 15. Croaks and ribbits
Down
- 1. Woofs, barks, and howls
- 2. Buzzes and vibrations
- 4. Trumpets and rumbles
- 5. Roar
- 9. Clicks, whistles, and sonar
- 10. Chattering and calling
- 12. Meows, purrs, and growls
- 13. Turtle clunk and grunt