Sleep snake (Sibynomorphus mikanii) in Zoology Museum João Moojen (Museu de Zoologia João Moojen, MZUFV) in Universidade Federal de Viçosa (UFV), in Viçosa-MG, Brazil.
<a href="//commons.wikimedia.org/wiki/User:Mateussf" title="User:Mateussf">Mateus S. Figueiredo</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span> (<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/25344230@N04/20693600896">Flickr</a>)