I guess I should have limited the question to the U.S. minus Alaska and Hawaii. The partridge type pattern seems to be common among pheasants, etc. But wild turkeys are all over the place in color pattern.
I would be more interested in camouflage for a semi prairie - semi woody area
Did internet search and all you get is that the Speckled Sussex has some camouflage, there is also the belief that darker feathered chickens have the advantage over white chickens. Any thoughts? Will feather pattern hide chickens from racoons, foxes and hawks?