1. antílope   mare   ass   antelope   koala   Hint Half-n-half Clue   2. koala   lioness   koala   chimpanzee   penguin   Half-n-half Clue   3. leona   lioness   beaver   ass   bat   Half-n-half Clue   4. yegua   otter   mare   penguin   toad   Half-n-half Clue   5. hipopótamo   seal   hippopotamus   kangaroo   mare   Half-n-half Clue   6. sapo   hedgehog   toad   hippopotamus   porcupine   Half-n-half Clue   7. buey   bulldog   walrus   reindeer   ox   Half-n-half Clue