1. erizo   gorilla   hedgehog   ox   panther   Hint Half-n-half Clue   2. gorila   kangaroo   panda   gorilla   chimpanzee   Half-n-half Clue   3. tiburón   stag   ox   shark   seal   Half-n-half Clue   4. delfín   reindeer   dolphin   otter   panda   Half-n-half Clue   5. ballena   panther   whale   hippopotamus   octopus   Half-n-half Clue   6. buey   otter   ox   panda   rhinoceros   Half-n-half Clue   7. panda, oso panda   panda   bulldog   hippopotamus   lioness   Half-n-half Clue