If it wasn’t for a hidden herd in the deepest reaches of this National Park, bison would have been wiped out in the late 1800s. Today, thousands of them thrive.

That same year, state and federal agencies began eliminating some Yellowstone bison that migrated out of park boundaries. Since the winter of 1991-92, Native Americans from reservations such as ...

To see a breaching whale, a soaring bald eagle, bears catching salmon, or a bison up close are unforgettable, awe-inspiring ...

A bison feeds in a forest during winter in Nalibokskaya Forest Reserve near the village of Rum, some 80 km (50 miles) west of Minsk, January 11, 2013. Several dozens bisons live in this reserve ...