Tarsier fraterculus, the smallest living primate, 130mm (5 ins) tall, Tarsier Sanctuary, Sikatuna, Bohol, Philippines, Southeast Asia, Asia

Infant Vervet Monkey (Chlorocebus aethiops), Kruger National Park, South Africa, Africa

Tarsier fraterculus, the smallest living primate, 130mm (5 ins) tall, Tarsier Sanctuary, Sikatuna, Bohol, Philippines, Southeast Asia, Asia

Tarsier fraterculus, the smallest living primate, only 130mm (5 inches) tall, Tarsier Sanctuary, Sikatuna, Bohol, Philippines, Southeast Asia, Asia

African Vervet Mother and baby monkey travel through a small grass pasture, South Luangwa National Park, Zambia, Africa

L'Hoest's Monkey (Cercopithecus lhoesti), or Mountain Monkey, is a guenon found in the upper eastern Congo basin. They mostly live in mountainous forest areas in small, female-dominated groups. They have a dark coat and can be distinguished by a characteristic white beard. Gikongoro, Rwanda, East Africa

Snow monkeys

Snow monkeys

Snow Monkeys

Monkey

Snow monkeys

Green Monkeys

Snow monkeys

Green Monkeys

Monkeys

Snow monkeys

Monkeys

Snow monkeys

Snow monkeys, Japan

Two small orangutans, Gunung Leuser National Park, Sumatra, Indonesia, Asia

Squirrel monkey looking straight ahead, South American little ape squirrel monkey looking for something (Callicebus) known as squirrel monkey

Gelada or Gelada Baboon (Theropithecus gelada) male holding infant, Rheine Zoo, North-Rhine Westphalia, Germany, Europe

A Small Monkey

A Small Monkey, Mae Hong Sorn, Thailand

A Mother Baboon With Her Baby On Her Back At The Singapore Zoo, Singapore

A Cotton-Top Tamarin Monkey (Saguinus Oedipus) At The Singapore Zoo, Singapore