SEALY, S. G. Notes on the Rough-Legged Hawk in the Perry River Region, Northwest Territories. Blue Jay, [S. l.], v. 24, n. 3, 1966. DOI: 10.29173/bluejay3334. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3334. Acesso em: 21 may. 2022.