Selective predation by brown bears ( Ursus arctos ) foraging on spawning sockeye salmon ( Oncorhynchus nerka )

• Published in: Canadian Journal of Zoology
• Main Authors: Ruggerone, Gregory T, Hanson, Renn, Rogers, Donald E
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 2000
• Subjects: Animal Science and Zoology; Ecology, Evolution, Behavior and Systematics; Sockeye; Wood River; Ursus arctos; Alaska
• Online Access: http://dx.doi.org/10.1139/z00-024; http://www.nrcresearchpress.com/doi/pdf/10.1139/z00-024

Selective predation by and predation rates of brown bears (Ursus arctos) foraging on spawning sockeye salmon (Oncorhynchus nerka) in a small shallow creek in the Wood River lake system near Bristol Bay, Alaska, were quantified during 1986 and 1990–1992. Bears killed a high proportion of spawning sal...