Telling the difference between a black bear and a grizzly bear isn't as easy as it sounds. For starters, color is not a reliable indicator as grizzlies in the Yellowstone ecosystem range from near-black to cinnamon to light blonde. What other features can be used to tell them apart? Find out when Casey stumbles upon a difficult to identify bear in this excerpt from "Inside a Grizzly Attack."
© MMIX Grizzly Creek Films, LLC
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