I was walking slowly with the wind at my back when I stopped on a knoll and looked ahead of me for elk in the canyon. A motion alongside of me caught my attention, and I turned to see the grizzly.

In Yellowstone, grizzly bears and wolves live pretty close ... Bears, being the ultimate opportunists, eat everything from ...

And when it comes to power struggles, few match the intensity of a grizzly bear facing off ... mainly of ungulates like deer and elk, but they also eat smaller animals when necessary.

In Yellowstone, grizzly bears and wolves ... being the ultimate opportunists, eat everything from berries to insects. But during calving season, they target newborn elk, deer, and sheep ...