LONG, Robert J. Barred Owls at Madge Lake, Saskatchewan. Blue Jay, [S. l.], v. 28, n. 4, 1970. DOI: 10.29173/bluejay3446. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3446. Acesso em: 5 jul. 2024.