1. 鯨   dolphin   whale   bat   polar bear   Hint Half-n-half Clue   2. 雄牛   ox   octopus   antelope   whale   Half-n-half Clue   3. 羚羊   otter   antelope   hare   toad   Half-n-half Clue   4. 雌ライオン   panther   hedgehog   lioness   dolphin   Half-n-half Clue   5. 野兎   otter   mare   octopus   hare   Half-n-half Clue   6. 針鼠   hedgehog   antelope   octopus   hippopotamus   Half-n-half Clue   7. 雄ジカ   shark   stag   bat   antelope   Half-n-half Clue