Chain Crosswords Short Math Hard — Set 2

Hard 15×15 Set 2
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9
10
Across
  1. 2. Bird with a large bill pouch
  2. 7. Swift hunting bird of prey
  3. 8. A word related to animals
  4. 10. A word related to animals
Down
  1. 1. Tropical bird with huge beak
  2. 3. A word related to animals
  3. 4. Tuxedo-wearing flightless bird
  4. 5. Tusked Arctic marine mammal
  5. 6. Wild dog of Africa and Asia
  6. 9. Tallest living land animal