Aythya nyroca

== Translingual == === Proper noun === Aythya nyroca f A taxonomic species within the family Anatidae – the ferruginous duck. === References === Gill, F.; Wright, M. (2006), Birds of the World: Recommended English Names, Princeton University Press, →ISBN. === Further reading === Ferruginous duck on Wikipedia.Wikipedia Aythya nyroca on Wikispecies.Wikispecies Category:Aythya nyroca on Wikimedia Commons.Wikimedia Commons