FYFE, R. W. Prairie Falcon Nesting Records in Sask. Blue Jay, [S. l.], v. 16, n. 3, 1958. DOI: 10.29173/bluejay2828. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2828. Acesso em: 28 mar. 2024.