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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. Eight species on the list are extinct; they are marked (E).
The family contains around 174 species in 43 genera (the magpie goose is no longer considered to be part of the Anatidae and is now placed in its own family, Anseranatidae). They are generally herbivorous and are monogamous breeders. A number of species undertake annual migrations. A few species have been domesticated for agriculture, and many ...
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 Anserinae are a subfamily in the waterfowl family Anatidae.It includes the swans and the true geese.Under alternative systematical concepts (see e.g., Terres & NAS, 1991), it is split into two subfamilies, the Anserinae contain the geese and the ducks, while the Cygninae contain the swans.
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Based on this result, some authorities place the Orinoco goose together with the Andean goose in the resurrected genus Oressochen. [6] [7] [8]A fossilized partial coracoid (CTES-PZ 7797) of an indeterminate Chloephaga species sharing some characters with the extant upland goose is known from the upper Pleistocene Toropí Formation (also called the Yupoí Formation) in Corrientes Province ...
The whistling ducks or tree ducks are a subfamily, Dendrocygninae, of the duck, goose and swan family of birds, Anatidae. In other taxonomic schemes, they are considered a separate family , Dendrocygnidae .
The announcement was met by fierce protest from Family Tree Maker users. [12] On February 2, 2016, Ancestry.com announced that Software MacKiev, the company that had developed the Mac version of the software for more than six years, would acquire the Family Tree Maker brand, and take over the development and publishing of Mac and Windows editions.
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