Kevin P.Johnson, Frank McKinney, Robert Wilson, Robert i Michael D.Sorenson (2000): The evolution of postcopulatory displays in dabbling ducks (Anatini): a phylogenetic perspective. Animal Behaviour59(5): 953–963 Resum Rev. 30/07/2011
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B.C.Livezey, B. C. (1991): A phylogenetic analysis and classification of recent dabbling ducks (Tribe Anatini) based on comparative morphology. Auk108(3): 471–507. Text PDFArxivat 2012-11-12 a Wayback Machine. Rev.30/07/2011
Kevin P.Johnson i Michael D. Sorenson (1999): Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence. Auk116(3): 792–805. Text PDFArxivat 2007-02-05 a Wayback Machine. Rev. 30/07/2011
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B.C.Livezey, B. C. (1991): A phylogenetic analysis and classification of recent dabbling ducks (Tribe Anatini) based on comparative morphology. Auk108(3): 471–507. Text PDFArxivat 2012-11-12 a Wayback Machine. Rev.30/07/2011
Kevin P.Johnson i Michael D. Sorenson (1999): Phylogeny and biogeography of dabbling ducks (genus Anas): a comparison of molecular and morphological evidence. Auk116(3): 792–805. Text PDFArxivat 2007-02-05 a Wayback Machine. Rev. 30/07/2011