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.], p. 151–157, 1980. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154150. Acesso em: 18 dec. 2025.