Tufted Capuchin, Madidi National Park, BoliviaThis is a tufted capuchin monkey, otherwise known as the brown capuchin. He was photographed from a small boat late one afternoon on Lake Chalalan in Bolivia’s Madidi National Park. These monkeys are known for being extremely intelligent and in parts of Brazil are commonly called Einstein monkeys.
Nikon D300 with Nikkor 200-400mm lens (at 330mm) ISO 400, f/5.6 at 1/125th of a second