These massive creatures at Yellowstone Park are going to soon be reduced by quite a bit. Currently there are an estimated 5,000 bison in the national park and at least 900 of them are going to be wiped out.
Bear attacks on Friday and Bison incident Monday at Yellowstone National Park. Here's what happened with video and tips if you plan to hike this Summer.
It's hard to believe it's been almost 5 years since this famous encounter happened. It's a flashback to the time when a baby bison took on a big wolf and won.