SASKATCHEWAN NATURAL HISTORY SOCIETY. Notes on the Barred Owl and the Snowy Owl in Alberta. Blue Jay, [S. l.], v. 15, n. 4, 1957. DOI: 10.29173/bluejay1721. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1721. Acesso em: 19 apr. 2024.