1. porco espinho   porcupine   octopus   bison   hare   Hint Half-n-half Clue   2. coala   koala   lioness   bison   chimpanzee   Half-n-half Clue   3. antílope   seal   kangaroo   antelope   shark   Half-n-half Clue   4. lontra   bulldog   polar bear   otter   penguin   Half-n-half Clue   5. castor   hippopotamus   seal   beaver   whale   Half-n-half Clue   6. canguru   bulldog   kangaroo   ox   polar bear   Half-n-half Clue   7. morcego   ox   penguin   bat   panda   Half-n-half Clue