Well, I guess the girls won't get to free range anymore. I had noticed a small hawk in the area, but thought it was too small to be interested in the girls. He is actually smaller than my hens. I did get worried enough to move the coop and build them a larger run. Apparantly, the run is interesting since someone stopped by to check it out as soon as I finished it(seriously after about an hour). I do have bird netting on top of the run, but now I'm worried about leaving them out when I'm not home. How effective is bird netting for a Cooper's hawk? I love animals and it's kinda neat to see this beautiful bird so close in an urban setting, but I don't want anything to happen to my girls. BTW a roo is not an option - I'm too close to my neighbors.