Priestley, D. Lisa, Geoffrey L. Holroyd, and Chuck E. Priestley. “Short-Eared Owl Invasion at Beaverhill Lake, AB, Winter 2005-2006”. Blue Jay 66, no. 3 (September 1, 2008). Accessed April 26, 2024. https://bluejayjournal.ca/index.php/bluejay/article/view/6026.