What are the terms for these baby animals?

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Across
  1. 2. Tiger
  2. 3. Koala
  3. 4. Donkey
  4. 8. Frog
Down
  1. 1. Goose
  2. 2. Swan
  3. 5. Owl
  4. 6. Goat
  5. 7. Whale
  6. 9. Shark