COCKE, Josh; ALTON, Steven K.; BLACK, Jeffrey M. Observations of Aleutian Cackling Geese Branta hutchinsii leucopareia breeding on Buldir Island, Alaska: forty-seven years after discovery of a remnant population. Wildfowl, [S. l.], p. 112–125, 2016. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153672. Acesso em: 16 dec. 2025.