Bison are massive, obstinate, and have no regard for the rules of the road. Even National Park Service (NPS) rangers struggle to overcome their stubbornness, as evidenced by a recent game of “Ring Around the Rosie” between a bison and a Park Service SUV in Yellowstone National Park.

A recent video shows a Yellowstone ranger using a proactive tailgating technique to clear a bison jam. A massive male bison was straddling both lanes on a two-lane road and seemed perfectly happy to hold its ground.

The ranger, in an NPS SUV, deftly maneuvered to the bison's backend and tried tailgating it off the road. The bison took a few steps out of the vehicle's path and stayed right where it stood.

The ranger had to turn around on the road to give tailgating another try. This time, the bull clearly

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