1. morcego   otter   ewe   bat   ox   Hint Half-n-half Clue   2. panda   penguin   hyena   shark   panda   Half-n-half Clue   3. castor   dolphin   otter   beaver   chimpanzee   Half-n-half Clue   4. asno, burro   ram   antelope   bison   ass   Half-n-half Clue   5. antílope   ox   mare   penguin   antelope   Half-n-half Clue   6. leão marinho   shark   sea lion   cheetah   antelope   Half-n-half Clue   7. golfinho   dolphin   ox   whale   octopus   Half-n-half Clue