Bison jams are not uncommon in Yellowstone given their population at the park has ranged from 3,500 to nearly 6,000, the ...

Bison in Yellowstone National Park may seem calm, but approaching them is extremely dangerous. Learn why these massive ...

Yellowstone bison now breed as one interlinked population. Genetic studies show strong gene flow across all bison herds.

Learn American bison facts about recovering bison populations to heal grasslands and help create habitats for other wildlife.

Library of Congress Prints and Photographs Division This Winter, if all goes as planned, a caravan of livestock trucks will carry dozens of American bison out of Yellowstone National Park on a 500 ...

But there are actually two distinct species of American bison in North America, and while their differences are relatively ...

The parks are a popular draw from around the world, but maintenance is expensive, and crowding is becoming an ever-growing ...

Yellowstone National Park’s Junction Butte wolf pack failed in a recent attempt to bring down a yearling bison calf. The calf and its mother ran to a group of adult bison, which in turn tried to ...

Yellowstone National Park officials have announced that, beginning at 8 a.m. Friday, April 18, select roads and entrances to ...