A <b>hognose pit viper</b> (<i><a href="//commons.wikimedia.org/wiki/Porthidium_nasutum" title="Porthidium nasutum">Porthidium nasutum</a></i>) at La Selva Biological Station, Sarapiqui, Costa Rica.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/dejeuxx/">Geoff Gallice</a>
CC BY 2.0
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/dejeuxx/6444251035/">https://www.flickr.com/photos/dejeuxx/6444251035/</a>