I have 24- 4 1/2 week old assortment of chicks. I often see some of them facing off, kinda like roosters do to each other. Several have started getting nice pink combs so I am assuming those are boys, but some I have seen facing off don't have combs like that yet. I can't keep any of the boys, but I don't want to mistakenly get rid of the girls just yet. Is that a good sign that they are boys? I am going to try and post pics soon so the lovely people on this board can help me sort the boys and girls. The breeds are as follows: Pure and mix between welsummers and cuckoo marans Pure and mix between Americana, Black Australorp, and Barred Rock Thanks!