Nocturnal and diurnal foraging behaviour of brown bears ( Ursus arctos) on a salmon stream in coastal British Columbia

• Published in: Canadian Journal of Zoology
• Main Authors: Klinka, D R, Reimchen, T E
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 2002
• Subjects: Ursus arctos
• Online Access: http://dx.doi.org/10.1139/z02-123; http://www.nrcresearchpress.com/doi/pdf/10.1139/z02-123

Brown bears (Ursus arctos) have been reported to be primarily diurnal throughout their range in North America. Recent studies of black bears during salmon migration indicate high levels of nocturnal foraging with high capture efficiencies during darkness. We investigated the extent of nocturnal fora...