I'm no expert, but the closest birds that I could think of that might meet this criteria are the birds roaming Fitzgerald, Georgia. Those birds have been at it for about ~30 years. Look into them if they are something you would want....From Wikipedia: "A landrace is a local variety of a domesticated animal or plant species which has developed largely by natural processes,[1] by adaptation to the natural and cultural environment in which it lives. It differs from a formal breed which has been selectively bred deliberately to conform to a particular formal, purebreed standard of traits."
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