1. delfín   dolphin   hedgehog   bison   otter   Hint Half-n-half Clue   2. burro, asno   hippopotamus   hedgehog   ass   rhinoceros   Half-n-half Clue   3. sapo   rhinoceros   kangaroo   toad   beaver   Half-n-half Clue   4. leopardo cazador   ox   cheetah   penguin   walrus   Half-n-half Clue   5. hipopótamo   hippopotamus   whale   cheetah   ox   Half-n-half Clue   6. ciervo   chimpanzee   stag   koala   ass   Half-n-half Clue   7. puerco espín   porcupine   chimpanzee   otter   polar bear   Half-n-half Clue