I have a 2 coops. One has 9 -8wk old pullets mixed BO, SLW, EE and one lone Brahma bantam. I would like to move the brahma into the coop with my 2 silkie girls who are about 6 months. When is a good time to do it? I would like to do it soon before it gets really cold here. There really isn't too much size difference at this point. Any suggestions? I think the brahma is a boy. I wonder what a red & a white silke hen and light brahma roo would give me in chicks. Hmm! I forgot to mention that my Silkies free range in late afternoon and the brahma has never free ranged. Will he follow the girls around?