<a href="//commons.wikimedia.org/wiki/Sterna_dougallii" title="Sterna dougallii">Roseate Tern</a> chasing a <a href="//commons.wikimedia.org/wiki/Sterna_hirundo" title="Sterna hirundo">Common Tern</a>. Petit Manan Island, Maine Coastal Islands NWR. Kirk Rogers/USFWS.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/43322816@N08">U.S. Fish and Wildlife Service Northeast Region</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usfwsnortheast/4879031151/">Roseate Tern Chasing a Common Tern</a>