SASKATCHEWAN NATURAL HISTORY SOCIETY. Cooperative Migration Study, Spring, 1963. Blue Jay, [S. l.], v. 21, n. 2, 1963. DOI: 10.29173/bluejay2677. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2677. Acesso em: 13 mar. 2026.