Are bison fleeing Yellowstone ahead of volcano eruption?

Yellowstone National Park has responded to a video that apparently shows Bison running inside the park two weeks prior to Sunday's earthquake, leading to speculation online that the animals ”sensed” Sunday's earthquake and were fleeing ahead of a 

The park sits on top of a supervolcano, and some people think the animals may sense a coming eruption, but they could just be enjoying a run. Loading… Post to Facebook. Bison fleeing Yellowstone volcano eruption? on USATODAY.com: http://usat.ly/ 

Update: Yellowstone National Park Public Affairs Chief Al Nash said in a YouTube video that the bison movement is completely normal (caused by the harsh weather) and that they "have seen no signs to suggest the Yellowstone volcano is about to erupt.".

Although the video tells us little, concerns about the Yellowstone supervolcano have increased since Sunday's biggest earthquake to hit the area in over 30 years. RELATED: What Would An Eruption Of The Yellowstone 

Videos of bison seemingly fleeing Yellowstone National Park in Wyoming have sparked concerns among some bloggers that recent seismic activity could trigger the eruption of the park's so-called supervolcano.