The doucs or douc langurs make up the genus Pygathrix. They are colobine Old World monkeys, native to Southeast Asia, consisting of 3 species: red-shanked douc, black-shanked douc, and gray-shanked douc.
Description
The doucs are colobine Old World monkeys, which make up the genus Pygathrix. They are native to Southeast Asia.
Classification
Even though they are known as "douc langurs", they are in fact more closely related to the proboscis monkey and snub-nosed monkeys than to any of the langurs. They are part of the subfamily Colobinae of the family Cercopithecidae.