The dramatic story of how America's national mammal, which sustained the lives of Native people, was driven to the brink of extinction. Ken Burns recounts the tragic collision of two opposing views of the natural world.

The dramatic story of how America's national mammal, which sustained the lives of Native people, was driven to the brink of extinction. Ken Burns recounts the tragic collision of two opposing views of the natural world.

By the late 1880s, the buffalo that once numbered in the tens of millions is teetering on the brink of extinction. But a diverse and unlikely collection of Americans start a movement that rescues the national mammal from disappearing forever.

By the late 1880s, the buffalo that once numbered in the tens of millions is teetering on the brink of extinction. But a diverse and unlikely collection of Americans start a movement that rescues the national mammal from disappearing forever.