Welcome. After a red-shouldered hawk tried to grapple with my rooster, but wasn't successful because I heard it and ran out - I put up a net that spans a 45x60 foot area. They cannot free range but they have a 20x20 foot run, a 18x10 foot coop and a 45x60 foot netted area - all with walls of 1/2 inch hardware cloth with aprons.