TAYLOR, P. Southerly movements of Willow Ptarmigan during the winter in and near the prairie provinces. Blue Jay, [S. l.], v. 78, n. 4, p. 13–23, 2021. DOI: 10.29173/bluejay6309. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/6309. Acesso em: 11 apr. 2021.