SASKATCHEWAN NATURAL HISTORY SOCIETY. Alberta Controversy Re: Protection of Birds of Prey. Blue Jay, [S. l.], v. 14, n. 1, 1956. DOI: 10.29173/bluejay1928. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1928. Acesso em: 6 dec. 2025.