The Pacific variant of <i><a href="//commons.wikimedia.org/wiki/Branta_bernicla" title="Branta bernicla">Branta bernicla</a></i>, near Rykjavik, Iceland. A true rarity! Breeds in north-east Siberia to most of Canada, winters to China and Mexico; it is a rare visitor in Europe.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/29174969@N00">Ómar Runólfsson</a>
CC BY 2.0
<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/29174969@N00/7131949183">Black Brant - Branta bernicla nigricans - Vestræn margæs</a>