Biologist Jack Hogg has been studying a herd of wild bighorn sheep on Montana’s National Bison Range for more than 35 years. When Jack’s herd gets infected with a deadly form of pneumonia, he goes in search of answers.Premiere Date: December 10, 2018 | Runtime: 00:13:56
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NATURE brings the beauty and wonder of the natural world into your home, becoming in the process the benchmark for natural history programs.