SASKATCHEWAN NATURAL HISTORY SOCIETY. Rough-Winged Swallows in Arm River Valley. Blue Jay, [S. l.], v. 18, n. 3, 1960. DOI: 10.29173/bluejay2465. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2465. Acesso em: 9 feb. 2025.