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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Wolves and Ground Squirrels


Wildlife Cameraman Charlie Hamilton James follows some hungry wolves near Jackson.

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Beaver Evacuation


A beaver mom decides to carry her young kits away from the home, down river.

Beavers at Home


Kirk takes a peek into the private lives of the beavers on the Snake River.

Baby Bears


Casey follows a mom and two young cubs who’ve come out of hibernation.

Grizzly Bear Jackpot


A male grizzly emerges out of hibernation early. Can he find enough food to survive?

Biscuit Root and Bear Hugs


Kirk tastes biscuit root – a grizzly bear favorite. Plus, cameras catch a bear hug.