By Elisha Fieldstadt
A family visiting Yellowstone National Park had a scary moment when a herd of bison stampeded past their car, with one crashing into the vehicle as the stunned occupants were inside.
Yellowstone has the largest bison population on public land, according to the park’s website. The animals are allowed to mostly roam freely, and behave like their wild ancestors by clustering during breeding season to compete for mates.
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