One Word Substitution 221-234

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Across
  1. 2. The sound of Owls
  2. 5. The sound of Horses
  3. 8. The sound of Ducks
  4. 9. The sound of Elephants
  5. 10. The sound of Nightingales
  6. 11. The sound of Crickets
  7. 12. The sound of Monkeys
Down
  1. 1. The sound of Cattle
  2. 2. The sound of Penguins
  3. 3. The sound of Parrots
  4. 4. The sound of Rats
  5. 6. The sound of Camels
  6. 7. The sound of Mosquitoes
  7. 9. The sound of Birds