GEHLERT, R. E. A Second Barred Owl Nest Record For Saskatchewan. Blue Jay, [S. l.], v. 28, n. 4, 1970. DOI: 10.29173/bluejay3445. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3445. Acesso em: 15 aug. 2022.