Keller, V. E. (1997) “Feeding areas used by individual Pink-footed Geese Anser brachyrhynchus around the Loch of Strathbeg, North-East Scotland”, Wildfowl, pp. 52–64. Available at: https://tidsskrift.dk/Wildfowl/article/view/154100 (Accessed: 16 December 2025).