They are similar in size to a Pekin Duck. Even though it is not standardized in the APA Standard of Perfection, one can create this breed by mating two Blue Swedishes. If you mate a Black Swedish with a Black Swedish, all the progeny will be Black Swedish. The drakes are heavier than the ducks. Drakes and ducks are both very dark gray- close to black -with a white neck patch like most Swedish varieties.
The legs of both Swedish Blue duck and drakes are reddish-brown, with irregular markings of greyish-black. Black Swedish Ducks lay between 100-180 eggs per year. A pair of Black Swedish produce only "Black Swedish" chicks. Black Swedish ducks are excellent foragers, hunting bugs and eating plant matter in their environment. Depending on the stage of incubation, eggs weigh between 65 - 90 grams.

They are slow maturing ducks. Black Swedish is a domestic duck, a variety of the Swedish breed. They like to forage, they will hatch their own eggs if allowed to, and they are plentiful layers. Black Swedish are a good plumb breed, excellent foragers and good layers. Bill, feet, and leg color will depend on the gender. This listing is for 6+ fresh fertile eggs collected daily. The only exception, as with many breeds of waterfowl, is during the mating season when they may become more agitated or aggressive. You don't need a huge flock though to get the visual effect or to reap the benefits of raising these beautiful ducks.
Provide dry duck food in a pan with plenty of water, so they have basic nutrition available and can supplement with vegetation and bugs. I have hatched these eggs myself with a good hatch rate, but due to numerous variables during shipment and incubation etc. The eggs are incubated for about 28 days to hatching. Clean, never washed. It makes a lot of sense to start your big flock of Black Swedes with economical hatching eggs. 6+ Black Swedish Duck Hatching Eggs. Most of the eggs are white, but occasional blue, green or grey tinted eggs are produced. The advantage of the Black Swedish over the Blue Swedish is that the Black Swedish breed true. Swedish ducks are considered to be a good “starter duck” because of their calm personalities.

Swedish are very hardy ducks and good foragers. They are combined with a Silver Swedish to produce Blue Swedish ducks which are prized for their unusual color. Black Swedish ducks are usually not exhibited. Black Swedish Ducks, with their striking black and white patterning, are one of those types of birds that just look breathtaking in a big flock. Hens will lay mostly white eggs, with the occasional blue or gray tinted egg.

While they are not used for exhibition, Black Swedish make great farm ducks.

The Black Swedish ducks are all black except for a white patch on the chest and wings. Average body weight of the Swedish Blue duck is about 2.5 to 3.5 kg, and the average body weight of the drake is about 3 to 4 kg. Swedish Ducks lay between 100 and 180 eggs per year. Black Swedish ducks look like they are wearing tuxedos, with their dark black feathering and white 'bib' that runs from under the bill to half way down their breast. Their stature is similar to Pekins.