1. 水牛   sea cow   badger   yak   water buffalo   Hint Half-n-half Clue   2. 火蜥蜴   badger   sea urchin   sea cow   salamander   Half-n-half Clue   3. 麋   elk   newt   badger   orangutan   Half-n-half Clue   4. 獾   unicorn   skunk   weasel   badger   Half-n-half Clue   5. 牛羚   ewe   salamander   gnu   badger   Half-n-half Clue   6. 蠑螈   salamander   orangutan   newt   sea urchin   Half-n-half Clue   7. 臭鼬   gnu   elk   skunk   unicorn   Half-n-half Clue