I have one Wyandotte Rooster and 3 hens. They are all about 20 weeks old. I also have about another 12 chickens that are the same age or younger with at least 2 other roos. We build a coop a few weeks ago and started putting all the chickens in it. All seemed fine- they would work their way to the vicinity near dusk- and we would get them all in the new coop. But the last few nights have been weird. 4 nights ago- all the Wyandottes were sitting on the roof of the the OLD coop... So we moved them into the new one. 3 night ago- we got them all to the new coop - no issues 2 nights ago- we found all the wyandottes in the old coop- the rest are in the proper (new coop) So we left them as it was quite dark outside. Tonight we got home and and the same situation- all wyandottes in the old coop- the rest in the new. WHAT IS GOING ON?? They spend all day together- it is not like they separate during the day- but why are they roosting different- and should we just take down the old coop? It is just a kid play house. It is going to be getting to cold and to many predictors out soon here in Northern Michigan for them to be so exposed.