BREGNBALLE, Thomas; MADSEN, Jesper. Post-hatching behaviour of Light-bellied Brent Geese Branta bernicla hrota. Wildfowl, [S. l.], p. 27–34, 1990. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154056. Acesso em: 17 dec. 2025.