Cattle egret (<i><a href="//commons.wikimedia.org/wiki/Bubulcus_ibis" title="Bubulcus ibis">Bubulcus ibis</a></i>)
United States Environmental Protection Agency
<a rel="nofollow" class="external text" href="http://www.epa.gov/glnpo/image/restrictions.htm">From the Great Lakes Image Collection</a>