FOX, A D; KAHLERT, J; ETTRUP, H; NILSSON, L; HOUNISEN, J P. Moulting Greylag Geese Anser anser on the Danish island of Saltholm; numbers, phenology, status and origins. Wildfowl, [S. l.], p. 16–30, 1995. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154674. Acesso em: 17 dec. 2025.