1. スイギュウ   water buffalo   gnu   yak   newt   Hint Half-n-half Clue   2. ウニ   skunk   weasel   unicorn   sea urchin   Half-n-half Clue   3. ヤク、リギュウ   salamander   yak   sea urchin   weasel   Half-n-half Clue   4. スカンク   weasel   skunk   newt   water buffalo   Half-n-half Clue   5. ヘラジカ.   newt   salamander   weasel   elk   Half-n-half Clue   6. アナグマ   salamander   gnu   badger   unicorn   Half-n-half Clue   7. イモリ   sea urchin   yak   newt   skunk   Half-n-half Clue