Anas (genus)
Anas est genus avium aquaticarum familiae Anatidarum, quod inter quadraginta et quinquaginta species comprehendit, quarum notissima est Anas platyrhynchos. In decem fere subgenera dividitur, quae a nonnullis eruditis genera distincta habentur.

Species 
Hae sunt species ab ITIS acceptae:
 Anas acuta Linnaeus, 1758
 Anas americana Gmelin, 1789
 Anas aucklandica (G. R. Gray, 1844)
 Anas bahamensis Linnaeus, 1758
 Anas bernieri (Hartlaub, 1860)
 Anas capensis Gmelin, 1789
 Anas castanea (Eyton, 1838)
 Anas chlorotis G. R. Gray, 1845
 Anas clypeata Linnaeus, 1758
 Anas crecca Linnaeus, 1758
 Anas cyanoptera Vieillot, 1816
 Anas discors Linnaeus, 1766
 Anas eatoni (Sharpe, 1875)
 Anas erythrorhyncha Gmelin, 1789
 Anas falcata Georgi, 1775
 Anas flavirostris Vieillot, 1816
 Anas formosa Georgi, 1775
 Anas fulvigula Ridgway, 1874
 Anas georgica Gmelin, 1789
 Anas gibberifrons S. Muller, 1842
 Anas gracilis Buller, 1869
 Anas hottentota (Eyton, 1838)
 Anas laysanensis Rothschild, 1892
 Anas luzonica Fraser, 1839
 Anas melleri P. L. Sclater, 1865
 Anas nesiotis (J. H. Fleming, 1935)
 Anas penelope Linnaeus, 1758
 Anas platalea Vieillot, 1816
 Anas platyrhynchos Linnaeus, 1758
 Anas poecilorhyncha J. R. Forster, 1781
 Anas puna Tschudi, 1844
 Anas querquedula Linnaeus, 1758
 Anas rhynchotis Latham, 1802
 Anas rubripes Brewster, 1902
 Anas sibilatrix Poeppig, 1829
 Anas smithii (Hartert, 1891)
 Anas sparsa Eyton, 1838
 Anas strepera Linnaeus, 1758
 Anas superciliosa Gmelin, 1789
 Anas undulata C. F. Dubois, 1839
 Anas versicolor Vieillot, 1816
 Anas wyvilliana P. L. Sclater, 1878

Anas (avis)

Nexus externi 

Anas
Genera animalium
Taxa Linnaei
Taxa 1758