For most of the year, Yellowstone’s bison appear calm and collected — grazing in herds, wallowing in dust, or blocking traffic in famous “bison jams.” But when late summer rolls around, everything ...

Tommy, a bull elk at the North Carolina Zoo, picked a fight with a bison — and won. Biologists say Tommy wouldn't have fared ...

Sticking your tongue out while letting out a bellowing grunt may not be the best way to find a significant other for humans, but the trick sure works for male bison. The bulls' pickup line is known as ...

Naturalist Stan Tekiela explores the power, history, and conservation success of the American bison, America’s iconic ...