Footage shows several bison sprinting toward a snow coach, causing one tourist to ask, “They’re not going to hit our vehicle, are they?” ...

Just like African wildebeests that form stampedes when running from a predator, American bison stampede when they perceive a threat. It can just take one member of the herd to set off a chain ...

In this instance, it's not immediately clear what caused the bison to stampede. Unofficial Networks ... of these animals once roamed the North American continent," they said.