HOUSTON, C. Stuart. First Violet-Green Swallow Nest in Saskatchewan. Blue Jay, [S. l.], v. 27, n. 3, 1969. DOI: 10.29173/bluejay3708. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3708. Acesso em: 24 apr. 2024.