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Great Yellowstone Thaw: How Nature Survives on DVD

Great Yellowstone Thaw Yellowstone is one of the most remarkable places on the planet. It's home to North America's most iconic wildlife, and every year these animals must survive the Thaw-one of the harshest seasonal changes on Earth. Temperatures can swing from minus 40°F in winter to almost 100°F in summer. To understand how the animals cope with this range, and to witness the effects of our changing climate, this series is following the Thaw during 2016-a year when the unpredictable weather broke new records. Geologist Kirk Johnson is joined by a team of scientists and wildlife cameramen to capture the wildlife dramas as they unfold over the course of the Thaw. Watch as they analyze the impact on individual families of wolves, grizzly bears, beavers, and great gray owls.