1. ox   bue   polpo   porcospino   castoro   Hint Half-n-half Clue   2. ass   foca   cavalla   porcospino   asino   Half-n-half Clue   3. toad   porcospino   pescecane   leonessa   rospo   Half-n-half Clue   4. penguin   pinguino   antilope   orso polare   foca   Half-n-half Clue   5. kangaroo   leonessa   canguro   bisonte   foca   Half-n-half Clue   6. stag   bisonte   cervo   iena   cavalla   Half-n-half Clue   7. bulldog   cavalla   bulldog   tricheco   orso polare   Half-n-half Clue