LAHRMAN, F. W. A Report on Spring Migration in the Regina Area, 1958. Blue Jay, [S. l.], v. 16, n. 2, 1958. DOI: 10.29173/bluejay2630. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2630. Acesso em: 4 may. 2024.