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Kingdom Animalia (animals)
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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Phylum Chordata (chordates)
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Craniata (craniates)
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Subphylum Vertebrata (vertebrates)
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Superclass Gnathostomata (jawed vertebrates)
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Euteleostomi (bony vertebrates)
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Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates)
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Tetrapoda (tetrapods)
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Amniota (amniotes)
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Class Reptilia
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Class Aves (birds)
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Subclass Neognathae (neognath birds)
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Infraclass Galloanserae (geese, ducks, quails, pheasants, and relatives)
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Order Anseriformes (ducks, geese, swans, and relatives)
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Family Anatidae (ducks, geese, and swans)
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Subfamily Anatinae (ducks, teals, and relatives)
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Genus Aix (wood ducks)
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Genus Amazonetta (Brazilian teal) -
Genus Anas (dabbling ducks and teals)
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Genus Asarcornis (white-winged duck) -
Genus Aythya (diving ducks)
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Genus Biziura (musk duck)
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Genus Bucephala (goldeneyes)
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Genus Cairina (Muscovy duck)
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Genus Callonetta (ringed teal)
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Genus Camptorhynchus (Labrador ducks)
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Genus Chenonetta (maned duck) -
Genus Clangula (oldsquaws)
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Genus Heteronetta (black-headed duck)
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Genus Histrionicus (harlequin ducks)
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Genus Lophodytes (hooded mergansers)
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Genus Lophonetta (crested duck)
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Genus Malacorhynchus (pink-eared duck) -
Genus Marmaronetta (marbled teal)
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Genus Melanitta (scoters)
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Genus Mergellus (smews)
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Genus Mergus (greater mergansers)
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Genus Netta (pochards)
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Genus Nettapus (pygmy geese)
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Genus Nomonyx (masked duck)
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Genus Oxyura (stiff-tailed ducks)
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Genus Polysticta (Steller's eiders) -



Genus Pteronetta (Hartlaub's duck) -



Genus Rhodonessa (pink-headed duck) -



Genus Salvadorina (Salvadori's teal) -
Genus Somateria (typical eiders)
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Genus Speculanas (spectacled duck)
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Confused by a class within a class or an order within an order? Please see our brief essay.
Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.



