Chain Crosswords Long Travel Hard — Set 4

Hard 15×15 Set 4
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12
Across
  1. 4. A word related to animals
  2. 6. A word related to animals
  3. 8. Tuxedo-wearing flightless bird
  4. 10. A word related to animals
  5. 11. A word related to animals
  6. 12. Striped-face burrowing mammal
Down
  1. 1. Wild dog of Africa and Asia
  2. 2. Tallest living land animal
  3. 3. Swift hunting bird of prey
  4. 5. Intelligent marine mammal
  5. 7. Large bovine of the plains
  6. 9. Dark-coated big cat