HINRICHS, Simon; BERTHOUD, Jean-Louis; WOOG, Friederike. Urban Greylag Geese Anser anser nesting on roofs in the city of Hamburg, northern Germany. Wildfowl, [S. l.], v. 75, 2025. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/162737. Acesso em: 15 dec. 2025.