Consider a double wall of wire. Put the hardware cloth on the inside of the 2x3 or 2x4 framing, and heavy duty field fence on the outside. That should stop most everything except a bear. You can't stop a bear. If he wants in your house, he can get in. Chicken coop would be no match for him. Here is my double wall. The key it to staple it every couple of inches. I used 2" staples with glue on them, and once they go in with a nail gun, they are never coming out.
