<p>Bison are on a snowy ridge and silhouetted by the sunset.</p>
<p>Bison silhouetted by the sunset in Mammoth Hot Springs</p>
<ul><li>Keywords: yellowstone national park; mammals; wildlife; bison; bison bison; jacob w. frank; mammoth hot springs; yellowstone; portrait; sunset; winter; 20170130-jwf-3965</li></ul>
Jacob W. Frank
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