1. buldog   kangaroo   jackal   bulldog   polar bear   Hint Half-n-half Clue   2. delfín   dolphin   hippopotamus   panda   hare   Half-n-half Clue   3. rinoceronte   whale   rhinoceros   jackal   shark   Half-n-half Clue   4. chimpancé   ass   chimpanzee   whale   hyena   Half-n-half Clue   5. puerco espín   stag   octopus   jackal   porcupine   Half-n-half Clue   6. buey   ox   seal   jackal   ass   Half-n-half Clue   7. murciélago   hedgehog   bat   kangaroo   seal   Half-n-half Clue