Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
       [Order] Anseriformes Wagler, 1831 - waterfowl and screamers
         Family Anatidae Vigors, 1825 - ducks, geese, swans
           Subfamily Anatinae Vigors, 1825 - pond ducks
             Genus Anas Linnaeus, 1758 - Pacific black duck
               01 Anas capensis Gmelin, 1789 - Cape teal
               02 Anas strepera Linnaeus, 1758 - gadwall
               03 Anas falcata Georgi, 1775 - falcated teal
               04 Anas sibilatrix Poeppig, 1829 - Chiloe wigeon
               05 Anas penelope Linnaeus, 1758 - Eurasian wigeon
               06 Anas americana Gmelin, 1789 - American wigeon
               07 Anas sparsa Eyton, 1838 - African black duck
               08 Anas rubripes Brewster, 1902 - American black duck
               09 Anas platyrhynchos Linnaeus, 1758 - mallard
               10 Anas fulvigula Ridgway, 1874 - mottled duck
               11 Anas wyvilliana Sclater, 1878 - Hawaiian duck
               12 Anas laysanensis Rothschild, 1892 - Laysan duck
               13 Anas luzonica Fraser, 1839 - Philippine duck
               14 Anas superciliosa Gmelin, 1789 - Pacific black duck
               15 Anas poecilorhyncha Forster, 1781 - spot-billed duck
               16 Anas undulata Dubois, 1839 - yellow-billed duck
               17 Anas melleri Sclater, 1865 - Meller's duck
               18 Anas discors Linnaeus, 1766 - blue-winged teal
               19 Anas cyanoptera Vieillot, 1816 - cinnamon teal
               20 Anas smithii (Hartert, 1891) - Cape shoveler
               21 Anas platalea Vieillot, 1816 - red shoveler
               22 Anas rhynchotis Latham, 1802 - Australasian shoveler
               23 Anas clypeata Linnaeus, 1758 - northern shoveler
               24 Anas bernieri (Hartlaub, 1860) - Madagascan teal
               25 Anas gibberifrons Müller, 1842 - Sunda teal
               26 Anas gracilis Buller, 1869 - grey teal
               27 Anas castanea (Eyton, 1838) - chestnut-breasted teal
               28 Anas chlorotis Gray, 1845 - brown teal
               29 Anas aucklandica (Gray, 1844) - Auckland Islands teal
               30 Anas nesiotis (Fleming, 1935) - Campbell Island teal
               31 Anas bahamensis Linnaeus, 1758 - white-cheeked pintail
               32 Anas erythrorhyncha Gmelin, 1789 - red-billed duck
               33 Anas flavirostris Vieillot, 1816 - speckled teal
               34 Anas georgica Gmelin, 1789 - yellow-billed pintail
               35 Anas acuta Linnaeus, 1758 - northern pintail
               36 Anas eatoni (Sharpe, 1875) - Kerguelen pintail
               37 Anas querquedula Linnaeus, 1758 - garganey
               38 Anas formosa Georgi, 1775 - Baikal teal
               39 Anas crecca Linnaeus, 1758 - common teal
               40 Anas versicolor Vieillot, 1816 - silver teal
               41 Anas hottentota (Eyton, 1838) - Hottentot teal