Nashville Warbler <i><a href="//commons.wikimedia.org/wiki/Leiothlypis_ruficapilla" title="Leiothlypis ruficapilla">Leiothlypis ruficapilla</a></i>, female. Owen Conservation Park, Madison, Wisconsin.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/13836948@N04">John Benson</a> from Madison WI
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/j_benson/4992280983/">Mourning warbler</a>