If it weren’t for a cheeky monkey named Naruto, who, as the story goes, stole a photographer’s camera in an Indonesian park and snapped a selfie, crested black macaques might still be ...

Small, shy and quiet (nearly silent by howler standards), the monkeys are so habituated to the shadow-filled canopy that some scientists consider them the only truly arboreal macaques on earth.

The leading protagonist in this drama is the Barbary macaque (Macaca sylvanus), a medium-sized monkey found only in Morocco, Algeria and Gibraltar and also known as the Barbary ape for its ...

This story appears in the November 2014 issue of National Geographic magazine. The Barbary macaque is a monkey of many distinctions. It is the only primate, other than humans, north of the Sahara ...