Blue
A variant of Belgian d'Uccle (Gallus gallus domesticus)
Representative Belgian d'Ucclephoto — a dedicated image of this exact morph isn't available yet.
Slate-blue self color produced by the blue dilution gene over black.
Keeper tips for this variant
Blue x blue gives blue/black/splash — don't expect uniform offspring; protect the heavily feathered feet from mud-balling.