SASKATCHEWAN NATURAL HISTORY SOCIETY. Protection for Hawks and Owls in Sask. Blue Jay, [S. l.], v. 17, n. 2, 1959. DOI: 10.29173/bluejay2249. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2249. Acesso em: 19 dec. 2025.