Carboneras, A. (1992). "Family Anatidae (Ducks, Geese and Swans)". In del Hoyo, J.; Elliott, A.; Sargatal, J. (eds.). Handbook of the Birds of the World. Vol. 1: Ostrich to Ducks. Barcelona, Spain: Lynx Edicions. pp. 536–628. ISBN84-87334-10-5.
"Anatidae". aviansystematics.org. The Trust for Avian Systematics. Retrieved 2023-08-05.
biodiversitylibrary.org
Brisson, Mathurin Jacques (1760). Ornithologie, ou, Méthode Contenant la Division des Oiseaux en Ordres, Sections, Genres, Especes & leurs Variétés (in French and Latin). Paris: Jean-Baptiste Bauche. Vol. 1, p. 58, Vol. 6, p. 261.
van den Berg, Arnoud B. (2007): Lijst van Nederlandse vogelsoorten ["List of Dutch bird taxa]. [Dutch and English] PDF fulltextArchived September 29, 2007, at the Wayback Machine
van den Berg, Arnoud B. (2007): Lijst van Nederlandse vogelsoorten ["List of Dutch bird taxa]. [Dutch and English] PDF fulltextArchived September 29, 2007, at the Wayback Machine