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The avian family Anatidae, commonly called waterfowl, comprise the ducks, geese, and swans. The International Ornithological Committee (IOC) recognizes these 174 Anatidae species distributed among 53 genera, 32 of which have only one species.
The Egyptian goose (Alopochen aegyptiaca) is an African member of the Anatidae family including ducks, geese, and swans.Because of their popularity chiefly as an ornamental bird, the species has also been introduced to Europe, the United States and elsewhere outside their natural range.
A duck pond or duckpond is a pond for ducks and other waterfowl. Duck ponds provide habitats for waterfowl and other birds, who use the water to bathe in and drink. Often, as in public parks, such ponds are artificial and ornamental in design; an example is the lily pond in the University Parks at Oxford in England, constructed in 1925 ...
An ornamental animal is an animal kept for display or curiosity, often in a park.A wide range of mammals, birds and fish have been kept as ornamental animals. Ornamental animals have often formed the basis of introduced populations, sometimes with negative ecological effects, but a history of being kept as ornamental animals has also preserved breeds, types and even species which have become ...
Anseriformes is an order of birds also known as waterfowl that comprises about 180 living species of birds in three families: Anhimidae (three species of screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which includes over 170 species of waterfowl, among them the ducks, geese, and swans. Most modern species in the ...
The level of monogamy varies within the family; many of the smaller ducks only maintain the bond for a single season and find a new partner the following year, whereas the larger swans, geese and some of the more territorial ducks maintain pair bonds over a number of years, and even for life in some species.
The first evidence for parental selection of exaggerated, ornamental traits in offspring was found in American coots. [38] Black American coot chicks have conspicuously orange-tipped ornamental plumes covering the front half of their body that are known as "chick ornaments" that eventually get bleached out after six days. This brightly colored ...
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.