Blackburnian Warbler <i><a href="//commons.wikimedia.org/wiki/Setophaga_fusca" title="Setophaga fusca">Setophaga fusca</a></i>, female/immature; Tower Grove Park, St. Louis, Missouri
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/80270393@N06">Andy Reago &amp; Chrissy McClarren</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/wildreturn/8455151848/">Blackburnian Warbler</a>