I have a run area that is about 125 sq feet fenced off and a coop that is 40 sq feet and 8 feet high. How many full size chickens would be able to live comfortably in that area? I currently have 1 adult Easter Egger living there now (quite lavishly!!) and I have 10 chicks in the brooder now. I do anticipate having to down size once they're ready to live outside but just want an idea about how many I can plan on keeping.