1. bisonte   bison   weasel   ram   jackal   Hint Half-n-half Clue   2. castoro   lioness   beaver   bulldog   antelope   Half-n-half Clue   3. porcospino   ox   octopus   porcupine   walrus   Half-n-half Clue   4. lontra   otter   panda   chimpanzee   gorilla   Half-n-half Clue   5. tasso   badger   bison   penguin   lioness   Half-n-half Clue   6. balena   cheetah   ram   beaver   whale   Half-n-half Clue   7. ippopotamo   bison   hippopotamus   shark   octopus   Half-n-half Clue