Natuna Island surili
The Natuna Island surili is a species of primate in the family Cercopithecidae.
Details
The species is endemic to the Indonesian island of Natuna Besar. It was separated from P. siamensis by Groves in 2001.A study published in 2003 estimates the population to be less than 10,000 as of 2002, the main threat being heavy logging since 1980.