1. cavalla   hare   mare   penguin   toad   Hint Half-n-half Clue   2. porcospino   porcupine   seal   shark   hyena   Half-n-half Clue   3. asino   antelope   ass   bat   jackal   Half-n-half Clue   4. polpo   kangaroo   antelope   hare   octopus   Half-n-half Clue   5. tricheco   dolphin   penguin   walrus   antelope   Half-n-half Clue   6. castoro   rhinoceros   porcupine   beaver   whale   Half-n-half Clue   7. koala   hedgehog   koala   stag   bison   Half-n-half Clue