HARRIS, Wayne C. 60th Annual Saskatchewan Christmas Bird Count - 2001. Blue Jay, [S. l.], v. 60, n. 1, 2002. DOI: 10.29173/bluejay5821. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5821. Acesso em: 15 jul. 2024.