NERO, R. W.; COPLAND, H. W. R.; MEZIBROSKI, J. The Great Gray Owl in Manitoba, 1968–83. Blue Jay, [S. l.], v. 42, n. 3, 1984. DOI: 10.29173/bluejay4711. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4711. Acesso em: 17 may. 2024.