PARMELEE, David F. Nesting of the Great Gray Owl in Manitoba. Blue Jay, [S. l.], v. 26, n. 3, 1968. DOI: 10.29173/bluejay3387. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3387. Acesso em: 3 may. 2024.