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Swedish Blue [2] Swedish Yellow duck [23] T. Tea Ankam [6]: 16 ... White-breasted black duck [26] References This page was last edited on 25 January ...
The Swedish Blue is a medium-sized bird: drakes weigh some 3–4 kg, ducks about 2.5–3.5 kg.It is rather shorter and broader in body shape than breeds such as the Cayuga or Orpington; [8]: 63 the body is rounded, plump and full-breasted, the back is straight and fairly flat, and is about half as long again as it is broad.
Blekinge ducks are near twice the size of Mallards. The Blekinge duck is often a lighter wild-colored duck similar to that of the Mallard, fully white individuals are rare but ever so often seen. The females weigh 2–2.5 kg (4.4–5.5 lb) and the males 2.5–3.5 kg (5.5–7.7 lb). [2] Sleeping Blekinge ducks.
The word duck comes from Old English dūce 'diver', a derivative of the verb *dūcan 'to duck, bend down low as if to get under something, or dive', because of the way many species in the dabbling duck group feed by upending; compare with Dutch duiken and German tauchen 'to dive'. Pacific black duck displaying the characteristic upending "duck"
Mallard. When you think of ducks, the bird you picture is most likely a Mallard. This is because these ducks are seemingly everywhere, with populations spanning from South Africa to North America.
The American black duck (Anas rubripes) is a large dabbling duck in the family Anatidae. It was described by William Brewster in 1902. It is the heaviest species in the genus Anas , weighing 720–1,640 g (1.59–3.62 lb) on average and measuring 54–59 cm (21–23 in) in length with an 88–95 cm (35–37 in) wingspan .
The Cayuga is a medium to heavy duck; standard weights are 3.6 kg (8 lb) for adult drakes and 3.2 kg (7 lb) for ducks. [11]: 440 [12]: 412 The plumage is black with iridescent beetle-green lights; particularly in ducks, some feathers may fade or whiten as the bird ages, which can be a disqualifying fault for showing.
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