Black-headed duck (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Black-headed duck" in English language version.

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birdlife.org

HBW and BirdLife International (2021) Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 6. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v6_Dec21.zip retrieved August 7, 2022

BirdLife International (2016). "Black-headed Duck Heteronetta atricapilla". IUCN Red List of Threatened Species. 2016: e.T22679833A92831496. doi:10.2305/IUCN.UK.2016-3.RLTS.T22679833A92831496.en. Retrieved 30 November 2022.
Livezey, Bradley C. (1986). "A phylogenetic analysis of recent anseriform genera using morphological characters" (PDF). Auk. 103 (4): 737–754. doi:10.1093/auk/103.4.737.
McCracken, Kevin G.; Harshman, John; McClellan, David A. & Afton, Alan D. (1999). "Data Set Incongruence and Correlated Character Evolution: An Example of Functional Convergence in the Hind-Limbs of Stifftail Diving Ducks". Systematic Biology. 48 (4): 683–714. doi:10.1080/106351599259979. PMID 12066296.
Lowther, P. E. (2020). Black-headed Duck (Heteronetta atricapilla), version 1.0. In Birds of the World (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.blhduc1.01 retrieved November 30, 2022

Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 24 July 2022. Species Lists of Birds for South American Countries and Territories. https://www.museum.lsu.edu/~Remsen/SACCCountryLists.htm retrieved July 24, 2022

Gill, F.; Donsker, D.; Rasmussen, P., eds. (August 2022). "Screamers, ducks, geese, swans". IOC World Bird List. v 12.2. Retrieved 30 November 2022.