I have a coopers hawk that makes a living at my bird feeders. When my chickens are free ranging and the hawk dives the bird feeders and misses he or she lands on the ground trying to figure out what it did wrong. Slyvester and Junior (my roos) always come running side by side and run it off.
https://www.backyardchickens.com/threads/coopers-hawk-in-the-yard.287103/

