Hinrichs S, Berthoud J-L, Woog F. Urban Greylag Geese Anser anser nesting on roofs in the city of Hamburg, northern Germany. Wildfowl [Internet]. 2025 Dec. 12 [cited 2026 Apr. 8];75. Available from: https://tidsskrift.dk/Wildfowl/article/view/162737