1. ペンギン.   porcupine   bison   penguin   mare   Hint Half-n-half Clue   2. バッファロー   bison   stag   ass   beaver   Half-n-half Clue   3. オシジカ   beaver   stag   shark   otter   Half-n-half Clue   4. ジャッカル   octopus   jackal   chimpanzee   seal   Half-n-half Clue   5. タコ   dolphin   octopus   beaver   lioness   Half-n-half Clue   6. ビーバー   chimpanzee   whale   beaver   panther   Half-n-half Clue   7. カバ   hedgehog   hippopotamus   dolphin   kangaroo   Half-n-half Clue