SASKATCHEWAN NATURAL HISTORY SOCIETY. Circus Hodsonius (from South Dakota Bird Notes). Blue Jay, [S. l.], v. 10, n. 2, 1952. DOI: 10.29173/bluejay1384. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1384. Acesso em: 13 apr. 2025.