I started my flock with what I thought was a light brahma and two barred rock hens. Recently the brahma has been crowing and acting aggressive. We were told it was a hen, so we bought a nice cochin roo thinking he would squash the aggressive behavior from the brahma "hen". After we brought home the cochin roo, have finally come to terms that our brahma is a roo, but now we have two roo's and the origional threesome won't let the new roo into the coop. The two roo's don't really fight, but the new roo is definitely at the bottom of the pecking order. Even the hens pick on him. They all have plenty of room, so it wouldn't be over-crowded if the new roo was inside. Is there anything I can do to help my little "flock" accept the new guy and let him into the coop?