A Black Tern <i><a href="//commons.wikimedia.org/wiki/Chlidonias_niger" title="Chlidonias niger">Chlidonias niger</a></i> flying at Vik, Mýrdalur, Iceland. Nominate <i>C. n. niger</i>, first reported 2011-06-11 (<a rel="nofollow" class="external text" href="https://notendur.hi.is/yannk/photos11_3.html">reference</a>).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/29174969@N00">Ómar Runólfsson</a>
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/omarrun/5829758432/">Black Tern - Chlidonias niger - Kolþerna</a>
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<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:Snowmanradio" title="User:Snowmanradio">Snowmanradio</a></li></ul>