Grizzly Bear Food Habits in the Northern Yukon, Canada

We documented seasonal food habits of grizzly bears (Ursus arctos) in the Firth River Valley, Ivvavik National Park (INP), northern Yukon, Canada, 1993-1995 using: (1) analysis of 176 scats, (2) 222 hours of direct observation, and (3) 99 feeding site investigations. In spring, the primary grizzly bear food plants were alpine hedysarum (Hedysarum alpinum) roots […]

Grizzly bear activity budget and pattern in the Firth River Valley, Yukon

I determined the activity of 5 radiocollared grizzly bears (Ursus arctos) in the Firth River Valley, Ivvavik National Park, Yukon, Canada, based on 574 hours of direct observation during 1994 and 1995. Radiocollared grizzly bears that were feeding primarily on caribou (Rangifer tarandus) tended to spend less time feeding and more time traveling or resting […]