Silencing the Thunder (2014)
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Overview : When temperatures drop in Montana, wild bison migrate to lower elevations outside the boundaries of Yellowstone National Park. But once outside, they run the risk of being killed because some carry a chronic disease called brucellosis that ranchers fear could spread to cattle.
Release Date : August 25, 2014
Runtime : 27m
Genre : Documentary
Companies : Forest Clay Productions
Countries : United States of America
Keywords : wildlife, nature, wildlife conservation
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