WILLIAMS, Gwyn; FORBES, Janet E. The habitat and dietary preferences of Dark-bellied Brent Geese and Wigeon in relation to agricultural management. Wildfowl, [S. l.], v. 31, p. 151–157, 1980. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154150. Acesso em: 19 apr. 2026.