Clausen, K. K., Heldbjerg, H. and Fox, A. D. (2025) “Status, origin and harvest of increasing numbers of Greylag Geese Anser anser occurring in Denmark throughout the annual cycle”, Wildfowl, pp. 3–25. Available at: https://tidsskrift.dk/Wildfowl/article/view/156397 (Accessed: 16 December 2025).