I have a white baby who is about 18 weeks old. I kept five chicks from a classroom hatch, and of course, the one cute little banty ended up being a roo. He was rehomed at the start of July when he began crowing. The other four have made no sounds like roosters at all. This one is taller and extremely flighty. The feathers on the neck are really, really long. I thought it might be like an araucana's ear tufts that just haven't raised, but my husband thinks it is a rooster. Sorry the picture isn't great. I can't get it to be still and it is the one chicken that I can't ever seem to catch. Is it possible that a rooster wouldn't have even started any of the beginning roo sounds by 18 weeks?