This is an excellent response. I like the long version. Handsome fellas there!This turned into a longer response than I had planned. I guess I'm in a writing mood today. I think you could try to free range, in spite of the hawks. I would recommend selecting breeds for their free ranging excellence, e.g. Dominique, Welsummer, Spitzhauben, Hamburg and ensuring they have plenty of cover.
Here's the longer version...
I am in Southeast Missouri on a 100+ acre farm with numerous predators including hawks. It is important to me to free range, so when I started my flock last year, predator savvy was one of my top criteria when selecting breeds. I started with Dominiques - 4 hens and a rooster. Whenever I saw a hawk flying, I would run out to protect the chickens, but they were no where to be found. They would disappear for hours at a time and always seemed to spot the hawks before I did. (They also took cover for passing airplanes and various non-threatening birds.) Earlier this year, I expanded my flock with a variety of other breeds known to be predator savvy, and now have a flock of nearly 30 who can disappear almost as quickly as the original 5.
I had my first hawk victim, a Speckled Sussex, a few weeks ago. I had seen a hawk flying around, and then found a pile of feathers and a Sussex who didn't make it back to the coop that night. Of all my breeds, the Sussex hens (3 remaining) are the most independent & curious, and the closest breed I have to a "lap chicken". I had been a little concerned, even before the incident, because they didn't seem to have the same self-protective instincts as the others, especially if there were tasty treats around.
After that, I noticed the flock spending a lot more time in the coop...hardly leaving it for days in a row. Then, other days they ranged and hung out in their favorite places around the farm. One day, I heard a huge commotion coming out of a little strip of woods by the compost pile where the chickens like to hang out. Suddenly, a dozen or more chickens came squawking/flying/running out of the woods, heading back toward their coop. There was one Spitzhauben rooster standing on the top of the compost pile, at the opening to the woods, screaming a warning siren, with one eye toward the sky and the other eye on the hens run/flying to safety. Another Spitzhauben roo was up in a tree near the coop also screaming warnings as the hens and juveniles who had been hanging out near the coop scrambled inside, and the ones coming out of the woods flew in behind them. Within seconds, the entire flock was safely under cover except the two roosters, who stood their ground and continued to sound the warning. Then, I saw the hawk fly out from behind the little strip of woods behind the compost pile and fly away. No one was harmed.
My plan is to continually add to my flock, select for hardiness and savviness, keep extra roosters in the flock (selecting for cooperation and protectiveness). I know I will lose an occasional chicken, but I'm hoping the flock will survive and thrive over time.
Here are my two siren-warning Spitz roosters who have been spending an increasing amount of time in trees lately
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I wrote another story about them earlier today, if you're interested
"Too many" roosters
Good luck to you!