Boyd, Hugh, Anthony D Fox, Jens N Kristiansen, David A Stroud, Alyn J Walsh, and Stephanie M Warren. “Changes in Abdominal Profiles of Greenland White-Fronted Geese During Spring Staging in Iceland”. Wildfowl (January 1, 1998): 57–71. Accessed December 17, 2025. https://tidsskrift.dk/Wildfowl/article/view/154608.