FOX, Elmer L. Fifth Annual Report of the Prairie Nest Records Scheme. Blue Jay, [S. l.], v. 21, n. 1, 1963. DOI: 10.29173/bluejay2773. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2773. Acesso em: 8 may. 2024.