Hello. We live in Glendale AZ. I have 2 RIR & one Americuana (not sure if I spelled it right) hens. We had a Bantam hen that was killed by a hawk. Just got another Bantam baby (and 3 Americuanas) from Pratts Feed Store. How soon can I tell if my Bantam is a roo or a hen? They do not sex the...