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References
DELACOUR, JEAN. – 1933. Note sur quelques Anatidés. L'Oiseau, n.s., 3: 642–649.
1936. Note sur la classification des Anatidés. L'Oiseau, n.s., 6: 366–379.
1938. La systématique des Anatidés et leur mœurs. Proceedings of the Eighth International Ornithological Congress, Oxford, 1934, pp. 225–242.
FALLA, R. A., y E. F. STEAD. – 1938. The plumages of Nesonetta aucklandica. Transactions and Proceedings of the Royal Society of New Zealand, 68: 37–39.
FRIEDMANN, HERBERT. – 1932. The parasitic habit in the ducks, a theoretical consideration. Proceedings of the U.S. National Museum, 80: 1–7.
GEYR VON SCHWEPPENBURG, H. – 1924. Zur Sexualethologie der Stockente. Journal für Ornithologie, 72: 472–476.
HEINROTH, O. – 1910. Beobachtungen bei einem Einbürgerungsversuch mit der Brautente (Lampronessa sponsa (L.)). Journal für Ornithologie, 58: 101–156.
1911. Beiträge zur Biologie, namentlich Ethologie und Psychologie der Anatiden. Verhandlungen des V. Internationalen Ornithologischen Kongresses, Berlin, 1910, pp. 589–702.
HEINROTH, O., y M. HEINROTH. – 1928. Die Vögel Mitteleuropas, vol. 3. Bermühler, Berlin.
HOCHBAUM, H. ALBERT. – 1944. The Canvasback on a Prairie Marsh. American Wildlife Institute, Washington.
KORTRIGHT, FRANCIS H. – 1942. The Ducks, Geese and Swans of North America. American Wildlife Institute, Washington.
LORENZ, KONRAD. – 1941. Vergleichende Bewegungsstudien an Anatinen. Journal für Ornithologie, 89, Erg. Bd. 3, Sonderheft, pp. 194–294. [Not seen].
MAYR, ERNST. – 1942. Systematics and the Origin of Species. Columbia University Press, New York.
MILLER, W. DEW. – 1926. Structural variations in the scoters. American Museum Novitates, N.º 243.
PETERS, J. L. – 1931. Check-List of Birds of the World, vol. 1. Harvard University Press, Cambridge.
PHILLIPS, JOHN C. – 1922–1926. A Natural History of the Ducks. 4 vols. Houghton Mifflin, Boston.
POLL, HEINRICH. – 1911. Über Vogelmischlinge. Verhandlungen des V. Internationalen Ornithologischen Kongresses, Berlin, 1910, pp. 399–468.
SOKOLOVSKAIA, I. I. – 1936. Precipitation reaction and hybridization. Bulletin of the Academy of Sciences of the U.S.S.R., (Series Biological), N.º 2–3: 465–489. [English summary, pp. 488–489].
WETMORE, ALEXANDER. – 1926. Observations on the birds of Argentina, Paraguay, Uruguay, and Chile. U.S. National Museum Bulletin, N.º 133.
WITHERBY, H. F., F. C. R. JOURDAIN, N. F. TICEHURST, y W. TUCKER. – 1939. The Handbook of British Birds, vol. 3. Witherby, London.

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