Lost dusky leaf monkey calling family during evening.
Photo by <a rel="nofollow" class="external text" href="https://www.thainationalparks.com/kaeng-krachan-national-park">Thai National Parks</a>.
<a href="//commons.wikimedia.org/wiki/User:Rushenb" title="User:Rushenb">Rushenb</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>