Aythya nyroca (Guldenstadt, 1770)

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Synonyms: Anas nyroca Güldenstädt, 1770; Nyroca fuligula
Homonyms: Aythya nyroca (Guldenstadt, 1770)
Common names: Cigányréce in Hungarian; Ferruginous Duck in English; Ferruginous Duck in English; Ferruginous Duck in English; Ferruginous Duck in English; Ferruginous Duck in English; Ferruginous Duck in English; Ferruginous Duck in English; Ferruginous Duck in English; Ferruginous Duck/Baer's Pochard in English; Ferruginous nyroca in English; Fuligule nyroca in French; Fuligule nyroca in French; Hvidøjet And in Danish; Hvidøjet and in Danish; Hvidøjet and in Danish; Hvitøyeand in Norwegian; Moorente in German; Moorente in German; Moorente in German; Moorente in German; Moretta tabaccata in Italian; Moretta tabaccata in Italian; Mouerint in Luxembourgish; Polák malý in Czech; Porrón Pardo in Spanish; Porrón pardo in Spanish; Ruskosotka in Finnish; Vitögd dykand in Swedish; White-eyed Pochard in English; Witoogeend in Dutch; Witoogeend in Dutch; Zarro-castanho in Portuguese; baltacis in Latvian; chochlačka bielooká in Slovak; cigányréce in Hungarian; ferruginous duck in English; ferruginous duck in English; ferruginous pochard in English; fuligule nyroca in French; kostanjevka in Slovenian; morell xocolater in Catalan–Valencian; paprastoji rudė in Lithuanian; podgorzałka (zwyczajna) in Polish; polák malý in Czech; pêrra in Portuguese; ruskosotka in Finnish; valgesilm-vart e. ruskevart in Estonian; vitögd dykand in Swedish; witoogeend in Dutch

BODC. (2009). Species list from the British Oceanographic Data Centre.
Banks A, Wright L, Maclean IM, et al. (2009) Review of the status of introduced non-native waterbird species in the area of the African-Eurasian Waterbird Agreement: 2007 update. British Trust for Ornithology. http://www.unep-aewa.org/sites/default/files/document/tc8_25_review_non_native_species_0.pdf
GB Non-native Species Secretariat (2016) GB Non-native Species Information Portal. https://secure.fera.defra.gov.uk/nonnativespecies/home/index.cfm (accessed 2016). https://secure.fera.defra.gov.uk/nonnativespecies/home/index.cfm
Gill, Frank, and Minturn Wright, 2006: null. Birds of the World: Recommended English Names. ix + 259.
SOF (2007) Holarktis Fåglar, version 2. SOF:s Taxonomikommittés officiella lista över Holarktis fåglar