Muscovy Duck Cairina moschata

Muscovy Ducks are native to South and Central America but domesticated birds can be found across the world. The latter are the source of feral wild-breeding populations in several countries. Domestic birds (and their feral descendents) can be very different in appearance from wild birds, typically showing more red around the face and more white (or silver or brown) on the plumage.

I don't know if these captive birds are completely free of domestic genes but they look pretty much like wild birds.

captive wild-type Muscovy Ducks, Martin Mere (Lancashire, UK), 26th December 2014