GRAHAM, Dan. Fort Smith, N.W.T., Christmas bird count. Blue Jay, [S. l.], v. 35, n. 1, 1970. DOI: 10.29173/bluejay4127. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4127. Acesso em: 3 may. 2024.