Heldbjerg, Henning, Kevin K. Clausen, Lei Cao, and Anthony David Fox. “GPS-Tracking Reveals Winter Short-Stopping and Large Differences in Individual Migratory Distance Among Greylag Geese (Anser Anser) Breeding in Denmark”. Ornis Fennica 101, no. 3 (November 28, 2024): 00–00. Accessed April 9, 2025. https://ornisfennica.journal.fi/article/view/143127.