Which Duck breeds come in Su balta galva?

Club breed standards describe Su balta galva for the Muscovy duck.

Duck pattern

Su balta galva

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 Su balta galva. It is in a club standard for 5 breeds.

Breed	EE
Muscovy duck	Pagal standartą (“blau-weißkopf; braun-weißkopf; perlgrau-weißkopf; silbergrau-weißkopf”)
Muscovy duckMėlynas baltagalvis	Pagal standartą (“blau-weißkopf”)
Muscovy duckŠokoladinis baltagalvis	Pagal standartą (“braun-weißkopf”)
Muscovy duckLevandinis baltagalvis	Pagal standartą (“perlgrau-weißkopf”)
Muscovy duckSidabrinis baltagalvis	Pagal standartą (“silbergrau-weißkopf”)