Across
- 4. kills 725,000 people a year from malaria, dengue fever, and yellow fever
- 6. born grey & get pink color from their diet
- 7. humans can smell them up to 3.5 miles away
- 10. the heaviest tree-dwelling animals
- 11. world's tallest bird
- 13. has a horn made of keratin
- 15. a group of parrots
- 16. their eyes are a least four times sharper than a humans
- 18. man's best friend
Down
- 1. hold hands while sleeping so they don't float away from each other
- 2. shortest living animal in the world with a 24 hour lifespan
- 3. only birds that can fly backwards
- 5. can still live for weeks even after having its head cut off
- 8. can sleep for up to 22 hours a day
- 9. collective noun for porcupines
- 12. have five eyes
- 14. fastest land animal
- 17. only animal on earth where the male carries the baby