A young female of White-fronted Capuchi Monkey (Cebus albifrons).
Photo by Whaldener Endo (Edit: Noise reduction and sharpening by <a href="//commons.wikimedia.org/wiki/User:Diliff" title="User:Diliff">User:Diliff</a>.
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>