Amy goes off-trail in the Yellowstone snow and discovers how hard it is to be a bison.

How did we go from more than 50 million wild bison to just 23 free-roaming animals? And how does the decimation of the herds relate to the oppression of Native Americans? Find out on this episode of Threshold.

Each season, Threshold podcast explores one story from the natural world, and what it says about us. Season one focuses on the American bison. Dig into the history of the American bison, from their arrival in North America, to current controversies surrounding their management today.

Yellowstone National Park is where we saved the American bison from extinction. But each year, we slaughter hundreds of animals from this prized herd. Why? Learn more on this episode of Threshold.

Each season, Threshold explores one story from the natural world, and what it says about us. Season one focuses on the American bison.

When you start out talking about bison, you end up talking about America. Wherever you are in the U.S., bison used to live there too. How did that change so drastically, so quickly? Can the U.S. ever have wild, free-roaming bison again? Should we? Threshold podcast dives deep into the history of the American bison to understand who we are, where we've been, and where we're going.