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Examples of the colour(s) of the speculum in a number of ducks are: Common teal and green-winged teal: Iridescent green edged with buff. [1] Blue-winged teal: Iridescent green. [2] The species' common name comes from the sky-blue wing coverts. Crested duck and bronze-winged duck: Iridescent purple-bronze, edged white. [3]
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.
This is a list of the breeds of domestic duck which have official recognition at national or international level. [1]Most breeds of duck derive from the wild mallard, Anas platyrhyncos, while a small minority are descendants of the Muscovy duck, Cairina moschata.
Black-bellied whistling duck: Dendrocygna autumnalis (Linnaeus, 1758) 2 Spotted whistling duck: Dendrocygna guttata Schlegel, 1866: 3 West Indian whistling duck: Dendrocygna arborea (Linnaeus, 1758) 4 Fulvous whistling duck: Dendrocygna bicolor (Vieillot, 1816) 5 Plumed whistling duck: Dendrocygna eytoni (Eyton, 1838) 6 Wandering whistling duck
Mandarin duck (male) in eclipse plumage. Many male ducks have bright, colourful plumage, exhibiting strong sexual dimorphism. However, they moult into a dull plumage after breeding in mid-summer. This drab, female-like appearance is called eclipse plumage. When they shed feathers to go into an eclipse, the ducks become flightless for a short ...
The harlequin duck (Histrionicus histrionicus) is a small sea duck. It takes its name from Harlequin (Italian Arlecchino, French Arlequin ), a colourfully dressed character in Commedia dell'arte . The species name comes from the Latin word "histrio", meaning "actor".
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.
The blue duck or whio (Hymenolaimus malacorhynchos) is a member of the duck, goose and swan family Anatidae endemic to New Zealand. It is the only member of the genus Hymenolaimus . Its exact taxonomic status is still unresolved, but it appears to be most closely related to the tribe Anatini , the dabbling ducks.
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