In Yellowstone National Park a few years ago, I listened while a man confidently explained to his wife why a brown-phase black bear was a grizzly bear. He based most of his description on the color of ...

Yukon Wildlife Cams this week shared footage of three large bears, including a “tank of a grizzly,” walking past a remote camera on the same trail at different times. Of the grizzly bear, David Troup ...