1. antílope   koala   antelope   seal   bulldog   Hint Half-n-half Clue   2. rinoceronte   chimpanzee   ass   rhinoceros   hyena   Half-n-half Clue   3. pingüino   kangaroo   penguin   whale   antelope   Half-n-half Clue   4. hipopótamo   hippopotamus   ass   jackal   stag   Half-n-half Clue   5. reno   walrus   otter   reindeer   porcupine   Half-n-half Clue   6. puerco espín   walrus   polar bear   kangaroo   porcupine   Half-n-half Clue   7. castor   jackal   hippopotamus   beaver   ox   Half-n-half Clue