Old world monkeys are primates that belong to the family Cercopithecidae.
They live in Asia, Africa and Gibraltar.
Baboons, macaques, mandrills, langurs, colobus monkeys and proboscis monkeys are all old world monkeys.
Some old world monkeys live in trees and some live on the ground.
Most old world monkeys have tails, but they aren't prehensile (can't be used for grasping).
Some have no tails or tails that are greatly reduced in size.
Old world monkeys have noses that face downward and nostrils that are close together.
They have large upper lips with muscles that give them a wide range of facial expression and help them with feeding and vocalization.
Old world monkeys have large pads on the bottoms of their buttocks that they can sit on. These pads are known as ischial callosities.
Golden Snub-Nosed Monkey
The golden snub-nosed monkey is an old world monkey lives in forests in the mountains of central China, where it is very cold.
It has a coat of thick, long golden fur to keep it warm.
Goldend snub-nosed monkeys can tolerate the coldest temperatures that any non-human primate can stand.
When in the wild, golden snub-nosed monkeys are in trees about 97% of the time.
Their diet primarily consists of lichens, but they also eat leaves, fruits, seeds, bark, flowers, herbs and insects.