Melanistic <i><a href="//commons.wikimedia.org/wiki/Caiman_crocodilus" title="Caiman crocodilus">Caiman crocodilus</a></i>
Photo by Jason L. Buberal
CC BY-SA 1.0
<s>http://buberel.org/gallery/</s> (dead link -- see <a rel="nofollow" class="external text" href="https://web.archive.org/web/20040806075331/http://www.buberel.org/gallery/">web.archive.org</a>)