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American Black Duck
Anas rubripes
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Ferruginous Duck
Aythya nyroca
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Harlequin Duck
Histrionicus histrionicus
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Long-tailed Duck
Clangula hyemalis
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Mandarin Duck
Aix galericulata
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Pacific Black Duck
Anas superciliosa
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Ring-necked Duck
Aythya collaris
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Ruddy Duck
Oxyura jamaicensis
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Tufted Duck
Aythya fuligula
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White-headed Duck
Oxyura leucocephala
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Wood Duck
Aix sponsa