<p>Black bear standing on hind legs scratching back on small lodgepole pine tree</p>
<p>Black bear scratching its back on a small lodgepole pine tree</p>
<ul><li>Keywords: Yellowstone National Park; mammals; black bear; wildlife; ursus americanus</li></ul>
Neal Herbert
<a rel="nofollow" class="external text" href="https://npgallery.nps.gov/">NPGallery</a>