Douc

The doucs or douc langurs make up the genus Pygathrix. They are colobine Old World monkeys, native to Southeast Asia, which consists of these 3 species: red-shanked douc, black-shanked douc, and gray-shanked douc. The doucs are colobine Old World monkeys, which make up the genus Pygathrix. They are native to Southeast Asia. The doucs make up the genus Pygathrix, which consists of these 3 species: 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.