1. tricheco   walrus   beaver   stag   bulldog   Hint Half-n-half Clue   2. panda   panda   hippopotamus   rhinoceros   bison   Half-n-half Clue   3. cervo   stag   panther   hedgehog   mare   Half-n-half Clue   4. delfino   bulldog   dolphin   panther   polar bear   Half-n-half Clue   5. scimpanzé   toad   bat   otter   chimpanzee   Half-n-half Clue   6. antilope   lioness   stag   antelope   hyena   Half-n-half Clue   7. pipistrello   porcupine   whale   ox   bat   Half-n-half Clue