Close-up of an American bison at Yellowstone. (Patrick de Wilde / Gamma-Rapho / Getty Images) To safely observe wildlife in national parks, always give animals ample space, according to park rangers.

Standing six feet high at the shoulder and weighing as much as 2,400 pounds, an American bison is a force of nature on its own. In a herd? “They’re ecosystem engineers,” says Jason Baldes, tribal ...

Bison seem pretty social, so friendly that some Yellowstone National Park tourists wrongly think they can pet the “fluffy cows,” sometimes resulting in serious injury to the petter. Although ...

Bison seem pretty social, so friendly that some Yellowstone National Park tourists wrongly think they can pet the “fluffy cows,” sometimes resulting in serious injury to the petter. Although ...

A fluffy baby bison was born at a Washington zoo, and now visitors can see it bond with its mom. The bison was born May 24 at Northwest Trek Wildlife Park in Eatonville, the open-range zoo said in ...

American bison are North America’s largest land mammal, with a tufted tail and long brown hair that’s thicker in winter. Females have a 285-day gestation period and give birth to a single calf ...

Scientists now believe the bison came to Illinois much earlier — about 9,000 years ago. Their presence was sporadic, but in the 2006 paper Records of Early Bison in Illinois, scholar R. Bruce McMillan ...

The American bison is more than just a symbol of the American West—it’s a living testament to resilience, ecological importance, and cultural significance. From their astonishing speed and strength to ...

American bison have evolved remarkable adaptations for surviving the extreme temperature fluctuations of the North American plains. Their thick winter coats can insulate them against temperatures as ...

An American bison calf was born over Memorial Day weekend at the park in Tacoma. The calf was birthed by 4-year-old Sunny. Zookeepers have yet to determine the calf's sex and plan to name it soon!