![VIDEO: Massive Bison Barrels Past Tour Group Like A Locomotive](http://outdoors360.com/wp-content/uploads/thumbs_dir/Screen-Shot-2019-02-08-at-11.13.52-PM-oxiviknl802k4dot8n45tbpc2sclluy3d53yqc48f4.jpg)
A 2,000-pound animal may not immediately cause someone to think it'll be fast, but don't let that fool you. A tour group in Yellowstone Park saw that the bigger they are, the fast they run — in this bisons case, at least. We're not sure if the bison was running away from or toward something, but ...
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