Blue Whale <i><a href="//commons.wikimedia.org/wiki/Balaenoptera_musculus" title="Balaenoptera musculus">Balaenoptera musculus</a></i> perhaps 20 metres long, Mysticeti baleen whale off Santa Cruz Island in the Channel Islands, near Santa Barbara, CA on a tour on the boat Condor Express 07 Sept. 2008
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/72825507@N00">Mike Baird</a> from Morro Bay, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/72825507@N00/2838719126/">Blue Whale (Balaenoptera musculus) Mysticeti baleen whale</a>