SIEGFRIED, W R; HOCKEY, P A R; RYAN, P G; BOSMAN, A L. Sex and plumage-type ratios of the Lesser Magellan Goose in southern Chile. Wildfowl, [S. l.], p. 15–21, 1988. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154738. Acesso em: 16 dec. 2025.