[6][7] It is closely similar to the Pomeranian Duck from the same general area, differing mainly in its white primary feathers.

[8]: 62 [6][7] Some birds were exported to the United States in 1884, and the blue variety was added to the Standard of Perfection of the American Poultry Association in 1904 as the "Swedish".

[9][10] In 2023 it was listed as "watch" by the American Livestock Conservancy of the United States,[7] which does not report it to the FAO database.

[11]: 391 [12]: 287 There are three colour varieties, of which only one – the blue – is recognised in the standards; their distribution is determined by the zygosity of a single dilution gene.

[7] It may be reared as a show bird, but the difficulty of meeting the requirements of the breed standard means that it must be kept in large numbers, which may discourage prospective breeders.