I couldn't tell which one was the hen because they looked almost identical. As soon as one started flirting with the other, I knew immediately that was the hen. :)

无意中在浙江的一个村子里拍到. 开始我分不出公母, 因为两只看起来几乎是一模一样的. 后来一只开始挑逗另一只, 我马上就知道哪只是母的了:)