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