Across
- 5. Fremantle's First Prison
- 6. WA Limestone Formations
- 7. Largest Mammal on Earth
- 8. National Park in NT
- 9. Swooping Bird
- 10. WA Capital
- 12. Australian Wild Dog
- 13. Qld National Park
- 15. WA Desert
- 17. Australian capital
- 18. Marsupial that likes to sleep a lot
- 20. Marine Mammal
- 21. Monolithic (large rock)
Down
- 1. Large Marsupial
- 2. Fearsome shark
- 3. Perth River
- 4. Largest Reef on Earth
- 11. Poisonous Spider
- 14. WA Reef
- 16. The "C" in ACT
- 19. NSW mountains