MAY, W. J. C. Winter Bird Feeding At Togo, Saskatchewan. Blue Jay, [S. l.], v. 32, n. 3, 1970. DOI: 10.29173/bluejay4198. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4198. Acesso em: 19 may. 2024.