RONEY, Keith; LONGMUIR, Ray. 1991 White Pelican and Double-Crested Cormorant Nest Census in Saskatchewan. Blue Jay, [S. l.], v. 51, n. 2, 1993. DOI: 10.29173/bluejay5295. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5295. Acesso em: 16 apr. 2025.