They are almost mature birds. The coop has a 2x6 floor , is 2 ft tall, plus a gabled roof, has two sealed windows, one gable is closed, one is covered with wire. They will be very protected from the elements.
We have our brand new three beautiful Red Dorkings. We have a 2x6 coop. It will eventually be a tractor. w are having unusually cold weather . Our birds are old enough to be sexed, but aren't mature yet. Does any one have an idea of when we should supplement heat? It's a fairly tight...