If we do lose a chicken, it will most likely be to a raccoon, coyote or Red Fox; those are the varmints I'm most concerned about. I'm definitely going to have the chickens fully enclosed, but need to secure all forms of entry, so I'm reading what others have done and what works before I start drawing plans. I do expect I'll need advice mostly on that, on breed and on size. We're planning on having seven hens.