best crossword puzzle

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Across
  1. 3. smartest animal on the planet
  2. 4. orange and black stiped
  3. 5. hit by car
  4. 6. milk, grass muncher
  5. 10. tallest animal
  6. 13. ssssssssssssssssssssss
  7. 15. baaaaaaaaaaaaaaaaaaa
  8. 16. white hunter, cold
  9. 18. eats poisonous eucalyptus has to sleep all day just to digest it
  10. 19. Likes to chase mice
  11. 20. fastest land animal
Down
  1. 1. sea tortoise
  2. 2. Large marsupial
  3. 7. awooooooooooo
  4. 8. Man's best friend
  5. 9. pony
  6. 11. Has a trunk
  7. 12. mufasa
  8. 14. sea unicorn
  9. 17. Cause of covid
  10. 21. I AM SPEEEEEEEEEEEEDDDDDDD!!!!!!!!!!!!