Pacific Gull, <i>Larus pacificus</i>. Juvenile in flight, upper wing detail.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/36199303@N04">Geoff Penaluna</a>
CC BY 2.0
originally posted to <b><a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a></b> as <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/36199303@N04/3992996928">Pacific Gull juvenile 1</a>