KAHLERT, Johnny; COUPE, Malcolm; COOKE, Fred. Winter segregation and timing of pair formation in Red-breasted Merganser Mergus serrator. Wildfowl, [S. l.], p. 161–172, 1998. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154624. Acesso em: 16 dec. 2025.