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Part 3 of 3


Journey to Yellowstone National Park, where wolves, grizzlies, beavers and owls survive one of the greatest seasonal changes on the planet. As the temperature swings 140 degrees, cameras capture how the animals cope. The series is hosted by renowned paleontologist and author Kirk Johnson.


Part 3 of 3
The water from the thaw has flowed away and a lack of rain has left the ground tinder dry. A major blaze breaks out in the Beartooth Mountains.