Black-Billed Gull <i><a href="//commons.wikimedia.org/wiki/Chroicocephalus_bulleri" title="Chroicocephalus bulleri">Chroicocephalus bulleri</a></i>, immature; Marlborough, New Zealand
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/22357152@N02">Sid Mosdell</a> from New Zealand
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/sidm/2313754860/">Young Black-Billed Gull</a>