Ehret, S. A. A., Berthoud, J.-L. and Woog, F. (2020) “Spring fattening in non-migratory female Greylag Geese Anser anser regardless of social status”, Wildfowl, pp. 257–266. Available at: https://tidsskrift.dk/Wildfowl/article/view/154560 (Accessed: 16 December 2025).