Not only is the bison one of the most iconic animals in North America, but it's actually the United States' national mammal.

Jeff Martin likes to think of the Great Plains as the “bison basket.” There are approximately 400,000 bison across North America, down from 30 to 60 million prior to the 1860s. South Dakota has ...

While Yellowstone has thousands of bison, the popular park can get overcrowded with tourists. Here's where you should go to ...