A group of people driving snowmobiles through Yellowstone National Park has had a chance to get up close and personal with a group of bison ambling through the winter snow.
This footage, taken by Lyndsi Prignon on February 16-17, shows her encounter with the herd of animals.
Bison have lived continuously in Yellowstone National Park since prehistoric times,, according to the national parks service. Yellowstone has the largest bison population on public land. Credit: Lyndsi Prignon via Storyful