1. のうさぎ   bat   hippopotamus   hare   polar bear   Hint Half-n-half Clue   2. かば   mare   otter   ox   hippopotamus   Half-n-half Clue   3. めすうま   mare   polar bear   shark   bat   Half-n-half Clue   4. たこ   panther   whale   mare   octopus   Half-n-half Clue   5. はりねずみ   mare   hare   octopus   hedgehog   Half-n-half Clue   6. かわうそ   hippopotamus   polar bear   otter   antelope   Half-n-half Clue   7. おすうし   ox   whale   hippopotamus   otter   Half-n-half Clue