ZHAO, Xumao; MAMING, Roller. The status of Ferruginous Duck Aythya nyroca breeding and wintering in China. Wildfowl, [S. l.], p. 116–125, 2014. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153619. Acesso em: 13 feb. 2026.