Across
- 2. Dam-building rodent
- 3. Flightless bird of Antarctica
- 7. Playful river mammal
- 10. Large constricting snake
- 11. Striped African horse
- 12. Marsupial that hops
- 13. Pink wading bird
- 15. Largest living primate
- 16. Large tropical lizard
- 18. Fish that swims upstream to spawn
- 20. Large black wild cat
Down
- 1. Burrowing nocturnal mammal
- 4. Bird with a large colorful bill
- 5. Largest land mammal
- 6. Intelligent ocean mammal
- 8. Majestic bird of prey
- 9. Tall wading bird
- 12. Australian tree-dwelling marsupial
- 13. Fast bird of prey
- 14. Clawed ocean crustacean
- 17. Tallest living animal
- 19. Fastest land animal