1. lebre   whale   dolphin   hedgehog   hare   Hint Half-n-half Clue   2. morsa, leão marinho   whale   dolphin   walrus   ox   Half-n-half Clue   3. ouriço   beaver   bison   polar bear   hedgehog   Half-n-half Clue   4. coala   bulldog   hyena   koala   hippopotamus   Half-n-half Clue   5. antílope   antelope   jackal   seal   kangaroo   Half-n-half Clue   6. urso polar   polar bear   bison   cheetah   otter   Half-n-half Clue   7. hiena   rhinoceros   seal   otter   hyena   Half-n-half Clue