Dead hen

[50-45-1]

I say raptor.
It ate what it wanted and left the rest of the body behind. A fox or coyote would have grabbed the carcus and taken it with them.
A hawk or owl would not have been able to lift off with a full grown barred rock.
It did not get the other two as they hid until the threat was gone.
Losses to hawks go up us for alot of us during the spring and fall migration period.
Sorry you lost your hen.

 

[50-45-1]

http://takethemoment.org/?page_id=969
A list of birds of prey that can be in your area.

 

[bobbi-j]

I think one of the worst misconceptions people have is that because they are urban or suburban, they don't have as many predators to worry about. When my son was going to college in St. Paul, MN he saw a coyote run across a 4-lane highway. In Mpls, MN a rabid fox attacked 3 people in a matter of a few days. Just because you don't see them, doesn't mean they aren't there.