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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.
The northern shoveler (/ ˈ ʃ ʌ v əl ər /; Spatula clypeata), known simply in Britain as the shoveler, [2] is a common and widespread duck.It breeds in northern areas of Europe and across the Palearctic and across most of North America, [3] wintering in southern Europe, the Indian subcontinent, Southeast Asia, Central America, the Caribbean, and northern South America.
[1] [2] The probably extinct pink-headed duck, previously treated separately in Rhodonessa, has been suggested to belong into Netta, [1] [4] but this approach has been questioned. [5] DNA sequence analyses have found it to be the earliest diverging member of the pochard group. [ 6 ]
The 1986 revision [10] has resulted in the inclusion of 10 extant genera with about two-dozen living species [one probably extinct] in this subfamily, mostly from the Southern Hemisphere but a few in the Northern Hemisphere; the affiliations of several presumed tadornine genera has later been questioned [13] and the group in the traditional ...
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A half crown is equivalent to 2 shillings and sixpence, written 2/6 and pronounced "two and six". Pick and mix Rhymes with "twenty-six". 27 Duck and a crutch The number 2 looks like a duck (see '2') and the number 7 looks like a crutch. Gateway to Heaven Rhymes with "twenty-seven". 28 In a state "Two and eight" is rhyming slang for "state ...
The two species can therefore occur in the same place at the same time, though the species often choose different habitats (only the red-breasted frequents saltwater). Breeding male plumages are fairly distinctive, but other plumages such as those born by females, immatures, and non-breeding males can make the two species hard to distinguish.
The number and composition of these subfamilies and tribes is the cause of considerable disagreement among taxonomists. [5] Some base their decisions on morphological characteristics, others on shared behaviours or genetic studies. [6] [7] The number of suggested subfamilies containing ducks ranges from two to five.