CLAUSEN, Kevin K.; HELDBJERG, Henning; FOX, Anthony D. Status, origin and harvest of increasing numbers of Greylag Geese Anser anser occurring in Denmark throughout the annual cycle. Wildfowl, [S. l.], p. 3–25, 2025. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/156397. Acesso em: 16 dec. 2025.