Natural world collective nouns

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Across
  1. 1. a _____ of dolphins or whales
  2. 4. a ______ of fish
  3. 6. a _______ of oxen
  4. 7. a ______ of crows
  5. 10. a _____ of lions
  6. 12. a ____ of ants
  7. 13. a _____ of dogs or wolves
Down
  1. 2. a ________ of cats
  2. 3. a _____ of bees or flies
  3. 5. a _____ of cows
  4. 6. a ________ of baboons or monkeys
  5. 8. a ____ of oysters or flowers
  6. 9. a ______ of sheep
  7. 11. a ______ of locusts
  8. 14. a ____ of islands