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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 ...
This family is placed in the order Anseriformes, having the characteristic bill structure, but is considered to be distinct from the other families in this taxon. The related and extant families, Anhimidae ( screamers ) and Anatidae ( ducks , geese and swans ), contain all the other taxa.
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 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 ...
This species is placed in the order Anseriformes, having the characteristic bill structure, but is considered to be distinct from the other species in this taxon. The related and extant families, Anhimidae and Anatidae (ducks, geese, and swans), contain all the other taxa.
A familiar behaviour of swans is that they mate for life, and typically bond even before they reach sexual maturity. Trumpeter swans, for example, can live as long as 24 years and only start breeding at the age of 4–7, forming monogamous pair bonds as early as 20 months. [ 23 ] "
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.