アメリカ内務省のインスタグラム(usinterior) - 10月29日 00時20分

This bison is enjoying a cool fall morning at Wind Cave National Park in #SouthDakota. Although it looks calm, the best description of a bison's temperament is unpredictable. They usually appear peaceful, unconcerned, even lazy, yet they may attack anything, often without warning or apparent reason. To a casual observer, a grazing #bison appears slow and clumsy, but they can outrun and out-maneuver all but the fleetest horses. They can move at speeds of up to 35 miles per hour and cover long distances at a lumbering gallop. So, be safe and watch them from a distance. Photo @WindCaveNPS by Duane Weber, #NationalPark Service. #WindCave #usinterior

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