I have the Roost divided in two that way I can keep two separate trios in the same pen without the chance for the Roos to fight. I let one group out for one day then the next group out... As of now I have just one Roo separate. I am going to leave him in there for a while. The Roost area measures 2'x4' by bout 4' high. The whole thing is about 4' wide 12' long and 7' at the peak.