1. bulldog   koala   ass   panda   bulldog   Hint Half-n-half Clue   2. delfino   penguin   hare   toad   dolphin   Half-n-half Clue   3. cavalla   mare   gorilla   chimpanzee   otter   Half-n-half Clue   4. gorilla   polar bear   hare   seal   gorilla   Half-n-half Clue   5. balena   hippopotamus   rhinoceros   chimpanzee   whale   Half-n-half Clue   6. antilope   antelope   polar bear   gorilla   seal   Half-n-half Clue   7. pescecane   dolphin   stag   shark   porcupine   Half-n-half Clue