1. Species Anas acuta Linnaeus, 1758
2. Species Anas americana Gmelin, 1789
3. Species Anas aucklandica (Gray, 1844)
4. Species Anas bahamensis Linnaeus, 1758
5. Species Anas capensis Gmelin, 1789
6. Species Anas carolinensis Gmelin, 1789
7. Species Anas castanea (Eyton, 1838)
8. Species Anas chlorotis Gray, 1845
9. Species Anas crecca Linnaeus, 1758
10. Species Anas cyanoptera Vieillot, 1816
11. Species Anas eatoni (Sharpe, 1875)
12. Species Anas erythrorhyncha Gmelin, 1789
13. Species Anas falcata Georgi, 1775
14. Species Anas flavirostris Vieillot, 1816
15. Species Anas fulvigula Ridgway, 1874
16. Species Anas georgica Gmelin, 1789
17. Species Anas gracilis Buller, 1869
18. Species Anas marecula Olson & Jouventin, 1996
19. Species Anas nesiotis Fleming, 1935
20. Species Anas pachyscelus Wetmore, 1960 †
21. Species Anas platalea Vieillot, 1816
22. Species Anas platyrhynchos Linnaeus, 1758
23. Species Anas poecilorhyncha Forster, 1781
24. Species Anas rhynchotis Latham, 1801
25. Species Anas rubripes Brewster, 1902
26. Species Anas sibilatrix Poeppig, 1829
27. Species Anas sparsa Eyton, 1838
28. Species Anas strepera Linnaeus, 1758
29. Species Anas superciliosa Gmelin, 1789
30. Species Anas undulata Dubois, 1839
31. Species Anas versicolor Vieillot, 1816
32. Species Anas zonorhyncha Swinhoe, 1866
33. Species Anas angustirostris Ménétriés, 1832 accepted as Marmaronetta angustirostris (Ménétriés, 1832)
34. Species Anas anser Linnaeus, 1758 accepted as Anser anser (Linnaeus, 1758) (unaccepted > superseded combination)
35. Species Anas atratus Latham, 1790 accepted as Cygnus atratus (Latham, 1790)
36. Species Anas baeri Radde, 1863 accepted as Aythya baeri (Radde, 1863)
37. Species Anas bernicla Linnaeus, 1758 accepted as Branta bernicla (Linnaeus, 1758)
38. Species Anas boschas Linnaeus, 1758 accepted as Anas platyrhynchos Linnaeus, 1758
39. Species Anas brasiliensis Gmelin, 1789 accepted as Amazonetta brasiliensis (Gmelin, 1789)
40. Species Anas canagica Sevastianov, 1802 accepted as Anser canagicus (Sevastianov, 1802)
41. Species Anas circia Linnaeus, 1766 accepted as Anas crecca Linnaeus, 1758
42. Species Anas clangula Linnaeus, 1758 accepted as Bucephala clangula (Linnaeus, 1758)
43. Species Anas clypeata Linnaeus, 1758 accepted as Spatula clypeata (Linnaeus, 1758)
44. Species Anas columbianus Ord, 1815 accepted as Cygnus columbianus (Ord, 1815)
45. Species Anas coromandeliana Gmelin, 1789 accepted as Nettapus coromandelianus (Gmelin, 1789)
46. Species Anas discors Linnaeus, 1766 accepted as Spatula discors (Linnaeus, 1766)
47. Species Anas erythropus Linnaeus, 1758 accepted as Anser erythropus (Linnaeus, 1758) (unaccepted > superseded combination)
48. Species Anas fabalis Latham, 1787 accepted as Anser fabalis (Latham, 1787) (unaccepted > superseded combination)
49. Species Anas ferina Linnaeus, 1758 accepted as Aythya ferina (Linnaeus, 1758)
50. Species Anas ferruginea Pallas, 1764 accepted as Tadorna ferruginea (Pallas, 1764)
51. Species Anas formosa Georgi, 1775 accepted as Sibirionetta formosa (Georgi, 1775)
52. Species Anas fuligula Linnaeus, 1758 accepted as Aythya fuligula (Linnaeus, 1758)
53. Species Anas fusca Linnaeus, 1758 accepted as Melanitta fusca (Linnaeus, 1758) (superseded original combination)
54. Species Anas galericulata Linnaeus, 1758 accepted as Aix galericulata (Linnaeus, 1758) (unaccepted > superseded combination)
55. Species Anas gambensis Linnaeus, 1766 accepted as Plectropterus gambensis (Linnaeus, 1766)
56. Species Anas hrota Müller, 1776 accepted as Branta hrota (Müller, 1776)
57. Species Anas hyemalis Linnaeus, 1758 accepted as Clangula hyemalis (Linnaeus, 1758)
58. Species Anas indicus Latham, 1790 accepted as Anser indicus (Latham, 1790)
59. Species Anas javanica Horsfield, 1821 accepted as Dendrocygna javanica (Horsfield, 1821)
60. Species Anas leucopsis Bechstein, 1803 accepted as Branta leucopsis (Bechstein, 1803)
61. Species Anas marila Linnaeus, 1761 accepted as Aythya marila (Linnaeus, 1761)
62. Species Anas mollissima Linnaeus, 1758 accepted as Somateria mollissima (Linnaeus, 1758) (superseded original combination)
63. Species Anas moschata Linnaeus, 1758 accepted as Cairina moschata (Linnaeus, 1758)
64. Species Anas nigra Linnaeus, 1758 accepted as Melanitta nigra (Linnaeus, 1758) (superseded original combination)
65. Species Anas nyroca Güldenstädt, 1770 accepted as Aythya nyroca (Güldenstädt, 1770)
66. Species Anas obscura accepted as Anas rubripes Brewster, 1902
67. Species Anas oustaleti Salvadori, 1894 (invalid taxon (Anas platyrhynchos × A. superciliosa))
68. Species Anas penelope Linnaeus, 1758 accepted as Mareca penelope (Linnaeus, 1758)
69. Species Anas querquedula Linnaeus, 1758 accepted as Spatula querquedula (Linnaeus, 1758)
70. Species Anas semipalmata Latham, 1798 accepted as Anseranas semipalmata (Latham, 1798) (unaccepted > superseded combination)
71. Species Anas specularis King, 1828 accepted as Speculanas specularis King, 1828 (synonym)
72. Species Anas viduata Linnaeus, 1766 accepted as Dendrocygna viduata (Linnaeus, 1766)
73. Species Anas glacialis accepted as Clangula hyemalis (Linnaeus, 1758) (uncertain)
74. Species Anas hornschuchi (uncertain > unassessed)
75. Species Anas musicus accepted as Cygnus musicus Bechstein accepted as Cygnus cygnus (Linnaeus, 1758) (uncertain > unassessed)
76. Species Anas segetum Gmelin, 1789 accepted as Anser fabalis (Latham, 1787) (uncertain)

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