FOX, A D; RIDGILL, S C. Spring activity patterns of migrating Greenland White-fronted Geese in West Greenland. Wildfowl, [S. l.], p. 21–28, 1985. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155034. Acesso em: 17 dec. 2025.