Chimpanzees are one of our closest living relatives. In fact, humans and chimpanzees share 95 to 98 percent of the same DNA. Photo by: Graham McGeorge

Infant chimpanzees have a white tail tuft that disappears by early adulthood. Photo by: Sonja Probst

The portrait of Bonobo, a large species of primate that is only found in the Democratic Republic Of The Congo in central Africa. Photo by: Graham McGeorge

Macaques live in many different habitats across the globe, making them the most widely distributed genus of nonhuman primates. Photo by: Stefano Unterthiner

The golden snub-nosed monkey also known as an Old World monkey from China. Photo by: Cyril Ruoso

Wise old orangutan. The orangutans are the two exclusively Asian species of extant great apes. Native to Indonesia and Malaysia, orangutans are currently found in only the rainforests of Borneo and Sumatra. Photo by: Cath Schneider

Cute baby orangutan. Orangutans have thin, shaggy, reddish-brown hair. They have long, powerful arms and strong hands that they can use to manipulate tools. Photo by: Chin Boon Leng

The white-headed Langur, one of many endangered species of primates in Asia, is found only in Guangxi province in southern China. Photo by: Jed Weingarten

The dusky leaf monkey, spectacled langur, or spectacled leaf monkey is a species of primate in the Cercopithecidae family. It is found in Malaysia, Burma, and Thailand. Photo by: Thomas Marent

The Gelada monkeys enjoining the view at at Ethiopian mountains. Photo by: Tyler Barry

The Japanese macaque also known as snow monkey enjoys a hot bath. Photo by: Nick Ut

Japanese macaque baby monkey having lunch. Photo by: Kiyo