Humboldt Penguin (<i><a href="//commons.wikimedia.org/wiki/Spheniscus_humboldti" title="Spheniscus humboldti">Spheniscus humboldti</a></i>) at Kölner Zoo, Cologne, Germany.
Gerd W. Schmölter  <a rel="nofollow" class="external text" href="http://www.schmoelter.com">www.schmoelter.de</a>
CC BY 2.0 de
<span class="int-own-work" lang="en">Own work</span>