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Anseriformes is an order of birds belonging to the clade Galloanseres. It consists of 3 families, 58 genera and 171 living species. It consists of 3 families, 58 genera and 171 living species. [ 1 ] [ 2 ] Extinct species assignment follows the Mikko's Phylogeny Archive [ 3 ] and Paleofile.com websites. [ 4 ]
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 ...
Anseriformes (Anser being Latin for "goose") is the taxonomic order to which the ducks, geese, swans, and screamers belong. BirdLife International has assessed 166 species; 89 (54% of total species) have had their population estimated. A variety of methods are used for counting waterfowl.
Redhead Species Account—Cornell Lab of Ornithology; Redhead—Aythya americana—USGS Patuxent Bird Identification InfoCenter "Redhead media". Internet Bird Collection. Sound [permanent dead link ], Sound metadata Macaulay Library, Cornell Lab of Ornithology; Redhead photo gallery at VIREO (Drexel University)
The order Anseriformes contains about 150 species of bird in three families: the Anhimidae (the screamers), Anseranatidae (the Magpie-goose), and the Anatidae, which includes over 140 species of waterfowl, among them the ducks, geese, and swans.
The grey goose genus Anser has no other member indigenous to the Indian region, nor any at all to the Ethiopian, Australian, or Neotropical regions.Ludwig Reichenbach placed the bar-headed goose in the monotypic genus Eulabeia in 1852, [2] though John Boyd's taxonomy treats both Eulabeia and the genus Chen as subgenera of Anser.
Anser is a waterfowl genus that includes the grey geese and the white geese.It belongs to the true goose and swan subfamily of Anserinae under the family of Anatidae. [2] The genus has a Holarctic distribution, with at least one species breeding in any open, wet habitats in the subarctic and cool temperate regions of the Northern Hemisphere in summer.
The related pink-footed goose (Anser brachyrhynchus) has also been included in the species complex, with a 2023 study recovering it as the sister taxon to A. fabalis, and A. serrirostris as the sister taxon to the two of them. [7] The complex has included several contested species including Sushkin's goose (Anser neglectus). [citation needed]