A long-tailed monkey that lives in forests and mangroves around Singapore and nearby parts of Southeast Asia.
The upper body is olive-brown and the underside is paler. The gray face has noticeable white eyelids.
It eats fruit, leaves, flowers, and insects, and sometimes catches crabs.
It forages, grooms, and socializes with other group members in the morning and late afternoon.
An extinction-risk assessment has not been added yet.