VANDERBURGH, David C. Great Gray Owl – Webb Lake, Manitoba. Blue Jay, [S. l.], v. 51, n. 3, 1993. DOI: 10.29173/bluejay5427. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5427. Acesso em: 7 may. 2024.