Anseriformes

English: Ducks; Eenden.
Clades: Neognathae; Aves; Animals.
Genera: 180 species; 3 families.IntroductionAnseriformes are aquatic birds, highly adapted for an aquatic existence at the water surface. With the exception of screamers, males have penises, a trait that has been lost in the Neoaves. Most species are web-footed.Families Anhimidae: screamers
Anseranatidae: magpie goose.
Anatidae: ducks, geese, swans.GeneraFamilies: Anatidae, Anhimidae, Anseranatidae
Anatidae: Anatinae, Anserinae, Dendrocygninae, Merginae, Oxyurinae, Plectropterinae, Stictonettinae, Tadorninae, Thalassorninae
Anatidae: Aix, Alopochen, Amazonetta, Anas, Anser, Asarcornis, Aythya, Biziura, Branta, Bucephala, Cairina, Callonetta, Camptorhynchus, Cereopsis, Chenonetta, Chloephaga, Clangula, Coscoroba, Cyanochen, Cygnus, Dendrocygna, Heteronetta, Histrionicus, Hymenolaimus, Lophodytes, Lophonetta, Malacorhynchus, Marmaronetta, Melanitta, Merganetta, Mergellus, Mergus, Neochen, Netta, Nettapus, Nomonyx, Oxyura, Plectropterus, Polysticta, Pteronetta, Rhodonessa, Salvadorina, Sarkidiornis, Somateria, Speculanas, Stictonetta, Tachyeres, Tadorna, Thalassornis
Anhimidae: Anhima, Chauna
Anseranatidae: Anseranas