NERO, Robert W. Additional Great Gray Owl Records for Manitoba and Adjacent Minnesota. Blue Jay, [S. l.], v. 28, n. 2, 1970. DOI: 10.29173/bluejay3543. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3543. Acesso em: 26 apr. 2024.