LAHRMAN, F. W. Unusually Large Numbers of Ross’ Geese Observed at Last Mountain Lake. Blue Jay, [S. l.], v. 28, n. 4, 1970. DOI: 10.29173/bluejay3450. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3450. Acesso em: 3 may. 2024.