Chain Crosswords Long Math Hard — Set 3

Hard 15×15 Set 3
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11
Across
  1. 3. Large bovine of the plains
  2. 5. Tallest living land animal
  3. 7. Tusked Arctic marine mammal
  4. 10. Colorful bird that can talk
  5. 11. Fastest land animal
Down
  1. 1. Red crustacean served at dinner
  2. 2. A word related to animals
  3. 4. A word related to animals
  4. 6. Large tropical lizard
  5. 8. Swift hunting bird of prey
  6. 9. Tropical bird with huge beak