1. 雄牛   ox   dolphin   hippopotamus   octopus   Hint Half-n-half Clue   2. 蝙蝠   otter   octopus   bat   lioness   Half-n-half Clue   3. 雌ライオン   stag   antelope   dolphin   lioness   Half-n-half Clue   4. 野兎   ox   hare   octopus   panther   Half-n-half Clue   5. 海豚   lioness   ox   dolphin   polar bear   Half-n-half Clue   6. 獺, 川獺   otter   lioness   whale   panther   Half-n-half Clue   7. 針鼠   hedgehog   hare   toad   polar bear   Half-n-half Clue