BRIDES, Kane; WOOD, Kevin A.; HEARN, Richard D.; FIJEN, Thijs P.M. Changes in the sex ratio of the Common Pochard Aythya ferina in Europe and North Africa. Wildfowl, [S. l.], p. 100–112, 2017. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154417. Acesso em: 16 dec. 2025.