SASKATCHEWAN NATURAL HISTORY SOCIETY. 12th Annual Sask. Christmas Bird Count. Blue Jay, [S. l.], v. 11, n. 4, 1953. DOI: 10.29173/bluejay1315. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1315. Acesso em: 24 apr. 2024.