Siberut macaque [SEP] IUCN conservation status
Siberut macaque
The Siberut macaque ("Macaca siberu") is a vulnerable species of macaque, which is endemic to Siberut Island in Indonesia. It was formerly considered conspecific with the Pagai Island macaque "(M. pagensis)" which is overall paler in color, but this arrangement was polyphyletic. Both were formerly considered subspecies of the Southern pig-tailed macaque ("macaque nemestrina").
Pagai Island macaque
The Pagai Island macaque ("Macaca pagensis"), also known as the Pagai macaque or Bokkoi, is an Old World monkey endemic to the Mentawai Islands off the west coast of Sumatra. It is listed as critically endangered on the IUCN Red List due to its ever-shrinking habitat. "Macaca pagensis" formerly included the overall darker Siberut macaque as a subspecies, but this arrangement is polyphyletic, leading to the two being classified as separate species. Both were formerly considered subspecies of the southern pig