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The mallard itself is the ancestor of most domestic ducks, and its naturally evolved wild gene pool gets genetically polluted in turn by the domestic and feral populations. [ 122 ] Over time, a continuum of hybrids ranging between almost typical examples of either species develop; the speciation process is beginning to reverse itself. [ 123 ]
The White Muscovy and the Pekin are the two most common purebred, commercially farmed ducks. Hybrids of the two are hardier and calmer, in addition to exhibiting natural hybrid vigor. [2] The incubation period of the hybrid eggs is between the mallard and Muscovy, with an average of 32 days. About half of the eggs hatch into mulard ducks.
Duck breast topped with foie gras. Duck is particularly predominant in the Chinese cuisine—a popular dish is Peking duck.Duck meat is commonly eaten with scallions, cucumbers and hoisin sauce wrapped in a small spring pancake made of flour and water or a soft, risen bun known as gua bao.
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.
Mallards, both domestic and wild in particular are notorious hybridizers, know to frequently hybridize within the mallard complex and even outside of Anas. The willingness to hybridize has concerned conservationists as the gene flow from the mallard may pollute pure populations of more vulnerable species such as the Mexican duck. [2]
The Muscovy is commonly reared for meat. [4]: 78 Mulards from the crossing of a Muscovy duck (Cairina moschata) and a wild-type mallard (Anas platyrhynchos)In commercial production, it is often crossed with a mallard-derived domestic duck such as the Rouen or Pekin to produce the hybrid known as a mulard.
Topographic map of Texas. This is a list of mammals of Texas. Mammals native to or immediately off the coast of the U.S. state of Texas are listed first. Introduced mammals, whether intentional or unintentional, are listed separately. The varying geography of Texas, the second largest state, provides a large variety of habitats for mammals.
The mottled duck (Anas fulvigula) [note 1] or mottled mallard is a medium-sized species of dabbling duck. It is intermediate in appearance between the female mallard and the American black duck . It is closely related to those species , and is sometimes erroneously considered a subspecies of the former.