I recently hatched 5 coturnix quail. I have read that you can tell the sex by their color, however, all mine are the same color. The only difference is their beaks. Some have "petite" beaks while two have a small hump right at the nostril. Has anyone noticed this in their males more than the females or vice versa? Or did I just have 5 males? I'll try to take some pictures so you can see what I am talking about.