Taxon - Links and literature
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [as Mareca strepera couesi (Streets, 1876)]Data retrieved on: 22 April 2021
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [as Anas strepera couesi]Data retrieved on: 7 April 2013