Animal Puzzle

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Across
  1. 2. ride on this (5)
  2. 3. naughty animals with tails (6)
  3. 6. does shows in aquariums (7)
  4. 7. tall yellow animal (7)
  5. 9. jungle, hunter, large cat (5)
  6. 10. large ocean mammal (5)
Down
  1. 1. dangerous ocean animal (5)
  2. 4. largest land animal (8)
  3. 5. savannah, hunter, large cat (4)
  4. 6. pet, man's best friend (3)
  5. 8. most intelligent animal after humans (4)