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location 4
I agree with Rich, have you bred this bird to that normal hen and if so what was the progeny, this will give you an idea of what mutation it is.Blue Cuban wrote:It appears to be a single factor cock bird.
I would except the term "SF pastel (green) cock".Finchy wrote:Yes, looks like SF Pastel (=Euro Yellow). Looks to have a good head on him, and amazing chest colour.