The fortunes of America's wildlife icons in Yellowstone, the most extensive thermal area on Earth.
aired 9 days ago
As the spring melts the winter snow, the herds of elk, pronghorn and bison return from their winter feeding grounds to take advantage of America's richest natural grasslands.
aired 79 days ago
As we follow the grip of winter over the course of six freezing months, we chart the fortunes of Yellowstone's wildlife in a finely balanced fight to survive.
Over the summer, Yellowstone has flourished - in late August there are more living things here than at any other time of the year. But winter is around the corner and there are just two months for all Yellowstone's animals to get ready or get out.