My situation is that I have two 12x12 coops with a 12x24 pen between the coops. I have six hens and my rooster using one of the coops and I've got 40 month old chicks in the other coop. Per advice here I intend to integrate my flock in another month when the chicks are two months old. I would like to get all 47 birds to equally use the two coops. That would make roosting and nesting areas better utilized. However, as the 40 chicks are being raised together and fenced off from the seven (7) older (one year old) chickens ... I wouldn't guess that they would voluntarily start using the less crowded coop. Because I don't believe I can keep the chickens out of my garden I plan to leave them in the coops/run ... they will have access to both coops and I would guess they will become acquainted with the other coop. I could probably trap them in the other coop and in a few days perhaps they would begin to roost with the older birds. Or I could just let nature take it course ... but both coops have four nesting boxes ... it would be better if they used all 8 nesting boxes instead of 40 pullets trying to use four nesting boxes. Could I get some advice?