1. 川蝉　   rooster   kingfisher   hen   woodpecker   Hint Half-n-half Clue   2. 雄鶏   cock   pheasant   kingfisher   rooster   Half-n-half Clue   3. 雛鳥   woodpecker   hen   rooster   chick   Half-n-half Clue   4. 啄木鳥   hen   pheasant   woodpecker   chick   Half-n-half Clue   5. 雄鶏   pheasant   cock   woodpecker   pigeon   Half-n-half Clue   6. 雌鳥   hen   pigeon   woodpecker   rooster   Half-n-half Clue   7. キジ科の鳥   hen   pheasant   cock   chick   Half-n-half Clue