BELL, M V; NEWTON, A V; NEWTON, S F. Roost selection by Pink-footed Anser brachyrhynchus and Greylag A. anser Geese in East Central Scotland. Wildfowl, [S. l.], p. 40–63, 1997. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154105. Acesso em: 16 dec. 2025.