del Hoyo, J.; Elliot, A.; Sargatal, J. 1992. Handbook of the Birds of the World, vol. 1: Ostrich to Ducks. Lynx Edicions, Barcelona, Spain.
Hayes, F. E. 1995. Status, distribution and biogeography of the birds of Paraguay. American Birding Association, Colorado Springs.
Kear, J. 2005. Ducks, geese and swans volume 2: species accounts (Cairina to Mergus). Oxford University Press, Oxford, U.K.
Madge, S.; Burn, H. 1988. Wildfowl. Christopher Helm, London.
IUCN SSC Duck Specialist Group
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Recommended citation
BirdLife International (2024) Species factsheet: Black-headed Duck Heteronetta atricapilla. Downloaded from
https://datazone.birdlife.org/species/factsheet/black-headed-duck-heteronetta-atricapilla on 26/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 26/12/2024.