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The white-headed duck (Oxyura leucocephala) is a small diving duck some 45 cm (18 in) long. The male has a white head with black crown, a blue bill, and reddish-grey plumage. The female has a dark bill and rather duller colouring. Its breeding habitat is lakes with open water and dense vegetation at the margin.
Common name Scientific name and subspecies Range Size and ecology IUCN status and estimated population Blue-billed duck Male Female Oxyura australis Gould, 1837: Australia: Size: Habitat: Diet: LC Ruddy duck Male Female Oxyura jamaicensis (Gmelin, 1789) North and South America (+ British Isles, [5] France, & Spain (introduced)) Size: Habitat ...
The male is much larger than the female, and has a large black knob on the bill. Young birds are dull buff below and on the face and neck, with dull brown upperparts, top of the head and eyestripe. [ 4 ] [ 9 ] Knob-billed ducks are generally larger in size when compared to comb ducks, and flanks are usually lighter (light grey, in females ...
The Chubut steamer duck or white-headed flightless steamer duck (Tachyeres leucocephalus) is a flightless duck endemic to Argentina. [ 1 ] [ 2 ] It is the most recently recognized species of steamer duck , being described only in 1981.
Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, flattened bills, and feathers that are excellent at shedding water due to an oily coating. Turkey holds an important wintering population of the endangered white-headed duck (Oxyura leucocephala).
The white-faced whistling duck (Dendrocygna viduata) is a whistling duck that breeds in sub-Saharan Africa and much of South America. This species is gregarious, and at favoured sites, the flocks of a thousand or more birds arriving at dawn are an impressive sight. As the name implies, these are noisy birds with a clear three-note whistling call.
The male is much larger than the female, and has a large black knob on the bill. If seen at a distance, immature comb ducks can also be mistaken for a fulvous whistling duck (Dendrocygna bicolor). However, knob-billed ducks in immature plumage are rarely seen without adults nearby and thus they are usually easily identified, too. [3]
The Crested is a breed of domestic duck, characterised by a crest or tuft of feathers on the head. Ducks of this kind were probably brought from the East Indies to Europe by Dutch ships. [ 3 ] : 413 The duck may be of any colour; the crest results from the action of an autosomal dominant gene and varies widely in size, from imperceptibly small ...