SASKATCHEWAN NATURAL HISTORY SOCIETY. Summary of 10th Annual Saskatchewan Christmas Bird Count. Blue Jay, [S. l.], v. 10, n. 1, 1952. DOI: 10.29173/bluejay1587. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1587. Acesso em: 4 apr. 2025.