We lock up our barn at night and don't have any problems with raccoons or weasels normally, but we would put a mesh netting over the top so they couldn't fly out. We even have cats in the barn and they don't bother them at all. The kitties though will occasionally sneak in with me but there more...
In the winter we convert one of our horse stalls into a chicken coop to make it easier to access my chickens. We just put down a lot of hay and some hay bales for them to lay on. We also put an old playground ladder across two bales for them to roost on. For their feed and water on we just have...