HARRIS, Wayne C.; LAMONT, Sheila M. 52nd Annual Saskatchewan Christmas Bird Count – 1993. Blue Jay, [S. l.], v. 52, n. 1, 1994. DOI: 10.29173/bluejay5341. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5341. Acesso em: 1 may. 2024.