Bears may be cute and cuddly when they're stuffed and given to children, but out in the wild they are vicious killers! Other than the polar bear, the grizzly bear is the most deadly. One mountain biker got a little more of a workout than he probably expected after being chased down by what I consider the land equivalent of a shark! This guy is lucky that there were gunshots in the distance, otherwise he would have been lunch.

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