Yes, I live right by the protected wetlands in the Willamette valley (Oregon). The biggest predator I know of in the area is raccoons, and I know chicken wire is not the best protection, but it was the best I could do. I'll try and post more pictures soon
I have a rabbit hutch I turned into a chicken tractor that I call "the Tank". I made it to keep predators out and so I could easily move it to new patches of grass in the yard. The coop part is raised about three feet and is 3'x6' (18ftsq) with the underneath of it fenced off as part of the run...