Here’s a fawn silver duckwingIs Dun the same gene that causes the color called Fawn?
Ideal Poultry has had that in Old English Game Bantams for some years now:
https://www.idealpoultry.com/product/1587/106
color "Fawn Silver Duckwing"
I don't know what other hatcheries may have what varieties available, but I've kept an eye on those in case I ever want to play with that gene.
Here is her as a baby
Her is her sister a Sort
Her as a baby
I bought them a Atwood’s, they get their chicks from Ideal Poultry