1. seal   rinoceronte   foca   castoro   lontra   Hint Half-n-half Clue   2. ox   rinoceronte   bue   orso polare   polpo   Half-n-half Clue   3. hare   rinoceronte   delfino   lepre   pescecane   Half-n-half Clue   4. antelope   antilope   asino   polpo   iena   Half-n-half Clue   5. chimpanzee   ippopotamo   asino   scimpanzé   panda   Half-n-half Clue   6. toad   rospo   cervo   scimpanzé   ghepardo   Half-n-half Clue   7. whale   iena   balena   antilope   delfino   Half-n-half Clue