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