Kampe-Persson, Hakon. “Wintering of Finnish Taiga Geese Anser F. Fabalis in Skåne, South Sweden: Time-Budget Differences Among Age Groups”. Ornis Svecica 14, no. 4 (October 1, 2004): 150–158. Accessed April 23, 2024. https://journals.lub.lu.se/os/article/view/22759.