I don't think that's quite right, but I think you are perhaps closely orthagonal to something I've observed, but couldn't previously explain - which I'd not seen addressed before.
My flock is in my sig, below, about 50 birds. Two handfuls are males, roughly seven are adult "breeders". That...
If you've peeked at the pictures in the "my Acres of Weeds" thread, you know how much I'd like to have your "destroyed" landscape. Since I have half your birds, maybe I need to finish clearing the woods I have within the electric fence, expand the pasture from 1.75 acres to almost 5?