Harris, Ross E., and Bruce M. Di Labio. “Sighting of a Pacific Common Eider (Somateria Mollissima V-Nigrum) at Churchill, Manitoba”. Blue Jay 77, no. 3 (September 15, 2019): 8–2. Accessed April 23, 2024. https://bluejayjournal.ca/index.php/bluejay/article/view/398.