I bought 6 chicks the first week of June...Ended up with 5 hens and one roo. The rooster started crowing about 2 weeks ago and about 6 days ago he started chasing my 2 female ducks and trying to mate with them. He has no interest in his hens what so ever. They are still pale red in the combs and the combs are still pretty small. My question is I guess is they were all born on the same day how much longer does it take for the hens to mature once the roos do? I thought it would be close but the girls look like they have a ways to go unless it happens overnight. Thanks a bunch in advance.