FOLKER, R. V. Sight Record of a Dipper in Southwestern Saskatchewan. Blue Jay, [S. l.], v. 22, n. 1, 1964. DOI: 10.29173/bluejay2791. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2791. Acesso em: 7 may. 2024.