collective nouns

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Across
  1. 3. rhinoceroses
  2. 6. eagles
  3. 7. zebras
  4. 9. ostriches
  5. 12. chameleon
  6. 13. aardvarks
  7. 14. cheetahs
  8. 16. hornbills
  9. 17. vultures
  10. 19. hippos
Down
  1. 1. guineafowls
  2. 2. porcupine
  3. 4. giraffes
  4. 5. bats
  5. 8. leopards
  6. 10. meerkats
  7. 11. warthogs
  8. 14. honey badger
  9. 15. hyenas
  10. 18. crocodiles