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Why Are Bison Galloping Down A Highway In Yellowstone Park
Yellowstone National Park (CNN) - Some believe wildlife has a sixth sense for detecting natural disasters before they hit.
Video of a herd of bison stampeding down a highway in Yellowstone park has some questioning whether they're just running -- or running for their lives.
CNN's Jeanne Moos reports on the volcanic story erupting over the hightailing herd.