I hate HWC though it seems to be the holy grail here on BYC. I used 1/2 X 1 inch welded wire on the bottom 2 feet of my run and 2 X 3 inch welded wire on the upper 5 feet of my run and totally covering the top of the run. I, too, have hawks, coons, opossums, foxes, coyotes, etc. Have never...