CALLIN, E. Manley. Saskatchewan’s First Parula Warbler. Blue Jay, [S. l.], v. 14, n. 3, 1956. DOI: 10.29173/bluejay2043. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2043. Acesso em: 22 jul. 2024.