Which Duck breeds come in White-headed?

Club breed standards describe White-headed for the Muscovy duck.

Duck pattern

White-headed

Muscovy duck pattern: a colored bird with a white head and upper neck (German 'weißkopf' in blue, brown, pearl gray and silver).

5 Duck breeds list White-headed. It is in a club standard for 5 breeds.

Breed	EE
Muscovy duck	Standard (“blau-weißkopf; braun-weißkopf; perlgrau-weißkopf; silbergrau-weißkopf”)
Muscovy duckBlue White Headed	Standard (“blau-weißkopf”)
Muscovy duckChocolate White Headed	Standard (“braun-weißkopf”)
Muscovy duckLavender White Headed	Standard (“perlgrau-weißkopf”)
Muscovy duckSilver White Headed	Standard (“silbergrau-weißkopf”)