HARTLEY FREDEEN, F. J. Bird sightings in northern Saskatchewan, August 1986. Blue Jay, [S. l.], v. 58, n. 1, 2000. DOI: 10.29173/bluejay5804. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5804. Acesso em: 22 jul. 2024.