1. erizo   panther   reindeer   polar bear   hedgehog   Hint Half-n-half Clue   2. burro, asno   ass   ox   seal   otter   Half-n-half Clue   3. castor   walrus   beaver   seal   chimpanzee   Half-n-half Clue   4. pingüino   penguin   lioness   whale   ox   Half-n-half Clue   5. murciélago   hippopotamus   bat   toad   antelope   Half-n-half Clue   6. panda, oso panda   panther   shark   panda   kangaroo   Half-n-half Clue   7. pantera   polar bear   seal   bulldog   panther   Half-n-half Clue