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The mallard (/ ˈ m æ l ɑːr d, ˈ m æ l ər d /) or wild duck (Anas platyrhynchos) is a dabbling duck that breeds throughout the temperate and subtropical Americas, Eurasia, and North Africa. It has been introduced to New Zealand, Australia, Peru, Brazil, Uruguay, Argentina, Chile, Colombia, the Falkland Islands, and South Africa.
A wild mallard weighs some 1.1 kg (2.4 lb), but large breeds like the Aylesbury may weigh 4.6 kg (10 lb) (and hybrids even more), while small breeds like the Appleyard may be only 0.7 kg (1.5 lb). Those breeds are raised for meat and eggs, [ 2 ] while other breeds are purely ornamental, having been selected for their crests, tufts, or striking ...
Female mallard in Cornwall, England. Some duck species, mainly those breeding in the temperate and Arctic Northern Hemisphere, are migratory; those in the tropics are generally not. Some ducks, particularly in Australia where rainfall is erratic, are nomadic, seeking out the temporary lakes and pools that form after localised heavy rain. [23]
Mallard ducks are not endemic to Niue, and the country's habitat is not suitable for them, as Niue lacks any surface fresh water, [5] [6] [3] which mallards require. [ 7 ] : 507 Trevor lived as a local celebrity in a particular roadside puddle which the Niue Fire Service would refill when it began to dry out; Trevett learned of Trevor when she ...
A male mallard duck Subfamily: Aythyinae , diving ducks (Some 15 species of diving ducks , of worldwide distribution, in two to four genera; The 1986 morphological analysis [ 10 ] suggested the probably extinct pink-headed duck of India, previously treated separately in Rhodonessa , should be placed in Netta , but this has been questioned. [ 15 ]
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Through their constant migration from their ever-degrading habitat, another obstacle arises, that which is drought. In the late 1800s, the mallard, also known as Anas platyrhynchos, were flown in to stock up the ponds of Hawaiʻi for ornamental purposes, but soon enough they were massively imported throughout the 1950s and the 1960s. [23]
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.
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