Long-Tailed Macaque, Sumatra, IndonesiaAlso known as the long-tailed macaque, the crab-eating macaque is a fairly common monkey throughout much of southeast Asia. This one looked like he was heading out for some of those aforementioned crabs. Photographed in Sumatra, Indonesia. Nikon D300 with Nikkor 200-400mm lens (at 340mm) ISO 800, f/4 at 1/80th of a second.