1. bulldog   bulldog   porcospino   canguro   pantera   Hint Half-n-half Clue   2. hare   canguro   leone di mare   panda   lepre   Half-n-half Clue   3. walrus   ciervo   lepre   tasso   tricheco   Half-n-half Clue   4. rhinoceros   rinoceronte   scimpanzé   balena   ariete   Half-n-half Clue   5. hedgehog   tasso   tartaruga   pipistrello   riccio   Half-n-half Clue   6. mare   pipistrello   cavalla   pinguino   canguro   Half-n-half Clue   7. hippopotamus   ippopotamo   cavalla   leonessa   panda   Half-n-half Clue