Water-bird population changes in 1976–1990 on Besnard Lake, Saskatchewan: increases in loons, gulls, and pelicans

• Published in: Canadian Journal of Zoology
• Main Authors: Gerrard, Jon M., Dzus, Elston, Bortolotti, Gary R., Gerrard, P. Naomi
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1993
• Subjects: Animal Science and Zoology; Ecology, Evolution, Behavior and Systematics; Besnard; Sterna hirundo; osprey; Pandion haliaetus
• Online Access: http://dx.doi.org/10.1139/z93-235; http://www.nrcresearchpress.com/doi/pdf/10.1139/z93-235

Declines in Common Loon (Gavia immer) populations associated with increasing human use of lakes have been reported from many areas of North America. In the present report we describe a lake in northern Saskatchewan, Besnard Lake, where there has been a substantial increase in the number of loons, fr...