No, they definitely have plenty of room.
I don't think they can reach through the fence, there's 2x4 fencing, and then chicken wire around the bottom so they really can't get their faces through that I know of.
There's only one missing that patch on the underside of its chin/neck. My black...
It's not mites. I've chEcked before and like I said it's only a few of them. I would expect all to be somewhat affected if it's mites since I've noticed it for months now. The coop is 8x17 (136 sq feet) and the run is 20X25. So they have tons of room for only 11 of them. I'll try the different...
I really want to keep him. He takes good care of them and he's very good with us (people). I may add a few pullets from the barn to his flock up there and see if it helps things any. Poor girls. They don't seem to mind at all, just like you guys said.
Many (Not all) of my hens have these patches of no feathers. The pictures are not great but they give you an idea of where the affected areas are. It seems to be on their backs (I think from mating??), under their beaks (only on 2) and on the backs of their heads. I'm a first time chicken...