cstephens1987
Crowing
Yeah, you know how everyone busts out the saddle feathers pic. We need one for explaining feather iridescence as it comes up far too often.Definitely cockerels!! All but Betty, as has been pointed out.
Actually, this is not a reliable way to sex a chicken, or any other bird for that matter. All black feathers will sheen, usually green, but can sheen other colors. It doesn't matter if the bird wearing the feathers is male or female, they will sheen. My Black Jersey Giant hen, and my black EE hen both sheen greenish (and sometimes purples and blues) in bright sunlight.