Encyclopedia of Life · EOL (see source)
Species
GENUS
- KingdomAnimalia
- PhylumChordata
- ClassAves
- OrderAnseriformes
- FamilyAnatidae
Habitatfreshwater
Observations recorded146,243
Der Titel dieses Artikels ist mehrdeutig. Zum gleichnamigen Rasse der Hausente siehe Zwergente. Australische Zwergente Afrikanische Zwergenten Die Zwergenten (Nettapus) sind eine Gattung der Entenvögel und werden den Schwimmenten zugerechnet. Die Gattung umfasst drei tropische Arten, die in Australien, Südostasien sowie Afrika und Madagaskar beheimatet sind. Sie zählen zu den kleinsten Entenarten weltweit. Die Indische Zwergglanzente, die in Asien beheimatete Nominatform der Coromandel-Zwergente, gilt als die kleinste Ente überhaupt.
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Article
Pygmy geese are a group of very small "perching ducks" in the genus Nettapus which breed in the Old World tropics. They are the smallest of all wildfowl. As the "perching ducks" are a paraphyletic group, they need to be placed elsewhere. The initially assumed relationship with the dabbling duck subfamily Anatinae has been questioned, and it appears they form a lineage in an ancient Gondwanan radiation of waterfowl, within which they are of unclear affinities. An undescribed fossil species from the late Hemphillian (5.0–4.1 mya) of Jalisco, central Mexico, has also been identified from the distal end of a tarsometatarsus. It is only record of the genus in the New World.
The genus Nettapus was erected by the German naturalist Johann Friedrich von Brandt in 1836. The name is from Ancient Greek nētta meaning "duck" and pous meaning "foot". It was thought that the type species, the African pygmy goose (Nettapus auritus), possessed the feet and body of a duck and the neck of a goose.