Perfil taxonómico: Podiceps nigricollis californicus (Heermann 1854)

del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2014). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. Available at: http://www.hbw.com/species

Gill, F., and D. Donsker, eds. 2015. IOC World Bird List (v 5.1). Available at http://www.worldbirdnames.org [Accessed 01 February, 2015]

"Zoonomen Nomenclatural data" maintained by Alan P. Peterson at http://www.zoonomen.net