I have had chicks about 7 different times in the last year. I'm still learning but it does seem that when a chick has a comb at all before a month old they are roosters. These combs are the same color as their beak at first but still very much there. A bunch of mine were born with combs that were bent to the side but now are noticeable at a week old. Anyone have experience with this? My chickens are bantam. I'm hoping they aren't all roosters again!