Ordered this nice coop from the local Amish barn builder and they delivered/set it up. Chicken wire runs several inches into the ground and there have been no critters in there. Big fenced yard for them, plus they free range in a very big fenced yard all day long. Have a grub factory bucket in the far corner so they can snack on live food. There are seven built in nest boxes with separate hinged lid for easy access for me. I have a dozen hens but the boxes are never all in use at the same time. One large door at one end for me to enter, clean and tend to chicks and chickens, one small door with ramp leads into their yard. Very nice setup and pretty easy to clean.
BTW, my user name actually refers to my parrots