More chicken observation, more contemplation, more fun. Sexing chicken at before their crowing or egg laying age seems to be a coin flip unless done by professional sorters. However, discovering that my supposed five hens turned out to be 60% roosters provided me with an unique opportunity to understand that any farmer-to-be who wants to hire hens as their partners for her permaculture farm ought to buy straight run chicks instead of relying on the sellers coin-flip sexing rate.