ZHANG, Beixi et al. Winter population estimates and distribution changes of two common East Asian dabbling duck species: current status and long-term (1990–2020) trends. Wildfowl, [S. l.], p. 210–237, 2025. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/156386. Acesso em: 16 dec. 2025.