This <a href="https://en.wikipedia.org/wiki/American_Bison" class="extiw" title="en:American Bison">en:American Bison</a> is part of a 13-head herd involved in a <a href="https://en.wikipedia.org/wiki/brucellosis" class="extiw" title="en:brucellosis">en:brucellosis</a> <a href="https://en.wikipedia.org/wiki/vaccine" class="extiw" title="en:vaccine">en:vaccine</a> study at the National Animal Disease Center in <a href="https://en.wikipedia.org/wiki/Ames,_Iowa" class="extiw" title="en:Ames, Iowa">Ames</a>, <a href="https://en.wikipedia.org/wiki/Iowa" class="extiw" title="en:Iowa">en:Iowa</a>.
Keith Weller, USDA ARS
This image was released by the <a href="https://en.wikipedia.org/wiki/Agricultural_Research_Service" class="extiw" title="en:Agricultural Research Service">Agricultural Research Service</a>, the research agency of the <a href="https://en.wikipedia.org/wiki/United_States_Department_of_Agriculture" class="extiw" title="en:United States Department of Agriculture">United States Department of Agriculture</a>, with the ID <a rel="nofollow" class="external text" href="https://www.ars.usda.gov/is/graphics/photos/nov97/K7846-10.htm">K7846-10</a> <a class="external text" href="https://commons.wikimedia.org/w/index.php?title=Category:Media_created_by_the_United_States_Agricultural_Research_Service_with_known_IDs&amp;filefrom=K7846-10#mw-category-media"><small>(next)</small></a>.