RENAUD, Wayne E.; WAPPLE, Guy J. A Preliminary Study of Vegetation Zones and Winter Bird Distribution in Saskatchewan. Blue Jay, [S. l.], v. 37, n. 4, 1979. DOI: 10.29173/bluejay4301. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4301. Acesso em: 6 may. 2024.