Bonaparte's Gull <i><a href="//commons.wikimedia.org/wiki/Chroicocephalus_philadelphia" title="Chroicocephalus philadelphia">Chroicocephalus philadelphia</a></i>, first-winter, Morro Bay, California.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/32541690@N02">Alan Vernon</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/32541690@N02/4090107932/">Bonaparte gull ( Larus philadelphia) in winter plumage (1 of 3)</a>