Great Yellowstone Thaw

5.5 / 10
Documentary

Journey with Kirk Johnson to Yellowstone, where wolves, grizzlies, beavers and Great Gray owls survive one of the greatest seasonal changes on the planet. As the temperature swings 140 degrees, cameras capture how the animals cope.

Homepage http://www.pbs.org/show/great-yellowstone-thaw/
First Air Date 2017-06-21
Last Air Date 2017-07-05