SASKATCHEWAN NATURAL HISTORY SOCIETY. Christmas Bird Census - 1946. Blue Jay, [S. l.], v. 5, n. 2, 1947. DOI: 10.29173/bluejay1105. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1105. Acesso em: 28 may. 2024.