HARRIS, Wayne C. Four "New" Field Guides for Saskatchewan’s Birds. Blue Jay, [S. l.], v. 42, n. 1, 1984. DOI: 10.29173/bluejay6234. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/6234. Acesso em: 6 may. 2024.