Houston, C. Stuart, J. M. Gerrard, D.W.A. Whitfield, H. A. Stelfox, and W.J.     Maher. “Osprey Nesting Records in Saskatchewan”. Blue Jay 35, no. 1 (January 1, 1970). Accessed April 28, 2025. https://bluejayjournal.ca/index.php/bluejay/article/view/4131.