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Great Yellowstone Thaw

Great Yellowstone Thaw

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.

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Our cameras continue to follow the wildlife dramas in Yellowstone, and Spring brings many...
It's summer in Yellowstone, and with soaring temperatures and drought comes the risk of...
A Yellowstone winter is a brutal one. With temperatures that plunge down to minus 40...


Journey to Yellowstone, where wildlife survives one of the greatest seasonal changes.