Identification
The American Bison is North America’s largest land animal, a titanic presence on the landscape. To identify one in the field, look for the unmistakable "front-heavy" silhouette: a massive, muscular shoulder hump and a disproportionately large head held low. Both sexes carry permanent, sharp, upward-curving black horns. Their "cape"—thick, shaggy, dark brown fur—drapes over the forequarters and head, often ending in a distinct "beard" under the chin, while the hindquarters sport much shorter, lighter hair. Unlike domestic cattle, a bison’s highest point is its hump, not its hips.
Habitat & Range
Historically roaming from the Appalachians to the Rockies, bison are now primarily found in managed herds across the Great Plains and the boreal forests of Canada. They are remarkably adaptable, thriving in open grasslands, sagebrush steppes, and even high-elevation subalpine meadows. You’ll find them in iconic locales like Yellowstone and Wood Buffalo National Park, where they endure temperatures ranging from -40°F to over 100°F.
Behaviour
Bison are gregarious, living in matriarchal herds led by experienced cows. In the field, you will often observe "wallowing"—the act of rolling vigorously in dry dirt to shed winter fur and deter biting flies, leaving behind large, bowl-shaped depressions in the earth. During the summer "rut," bulls engage in thunderous head-butting and guttural bellowing. Always watch the tail: a relaxed tail hangs down, but a raised, "question mark" tail is a clear warning of agitation or an imminent charge.
Diet
Bison are dedicated grazers, consuming a variety of grasses and sedges. They are "bulk feeders," moving steadily across the landscape as they forage. In winter, they use their massive neck muscles to swing their heads like a pendulum, plowing through deep snow to reach the dormant forage buried beneath.
Fascinating Fact
Don't let their 2,000-pound bulk fool you; bison are surprisingly explosive athletes. They can jump over a six-foot fence from a standstill and can sprint at speeds up to 35 mph—nearly three times faster than a human runner!