A bison in Yellowstone National Park was seen aggressively ramming its head into a vehicle on August 17. The car was one in a line of dozens stuck in a traffic jam waiting for a large herd of bison to ...

A bison at Yellowstone National Park has been filmed charging at a tourist car, with its passengers getting an extreme close-up of the animal. The video posted to YouTube by wallacedeyoung1 shows a ...

A group of people visiting Yellowstone National Park's Lamar Valley were left with a hefty repair bill as a souvenir after one of the park's bison rammed their car, tearing a huge hole in the bonnet ...

A video captured by a visitor to Yellowstone National Park shows a bison headbutting a car during mating season, when these giant animals congregate. The vehicle and several others were unable to move ...