HARRIS, Wayne C. 47th Annual Saskatchewan Christmas Bird Count – 1988. Blue Jay, [S. l.], v. 47, n. 1, 1989. DOI: 10.29173/bluejay4962. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4962. Acesso em: 3 jul. 2024.