Order Anseriformes Wagler, 1831 - waterfowl and screamers Suborder Anseres Linnaeus, 1758 - waterfowl Family Anatidae Vigors, 1825 - ducks, geese, swans Subfamily Dendrocygninae Reichenbach - tree-ducks 1 Genus †Dendrochen Miller, 1944 2 Genus Dendrocygna Swainson, 1837 - wandering whistling-duck