1. kangaroo   lontra   canguro   foca   cavalla   Hint Half-n-half Clue   2. stag   bisonte   cavalla   orso polare   cervo   Half-n-half Clue   3. chimpanzee   pipistrello   balena   scimpanzé   castoro   Half-n-half Clue   4. hippopotamus   ippopotamo   balena   pinguino   bulldog   Half-n-half Clue   5. hyena   rinoceronte   iena   foca   rospo   Half-n-half Clue   6. cheetah   orso polare   lontra   ghepardo   castoro   Half-n-half Clue   7. shark   ghepardo   balena   antilope   pescecane   Half-n-half Clue