Given that spotting bison is common, there are rules visitors need to follow. Bison at Yellowstone can weigh up to 2,000 pounds, posing safety risks if approached inappropriately.

Tourists at Yellowstone National Park witnessed the tragic death of a bison who fell into the near-boiling waters of the Grand Prismatic Spring at Midway Geyser Basin, near Old Faithful.

Bison herd stops traffic as it crosses road in Yellowstone A bison died after it appeared to stumble into a hot spring at Yellowstone National Park last week while visitors looked on.

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park’s busiest season.