Which national park in the US is known for its large wild bison herds?

Which national park in the US is known for its large wild bison herds?

A Yosemite National Park
B Grand Canyon National Park
C Yellowstone National Park

Yellowstone bison are US’s largest bison population on public land. In contrast to private herds, this one has thousands of individuals that are free to wander the vast territory of Yellowstone National Park and other adjacent areas.

The correct answer is Yellowstone National Park.