Critically Endangered
Pagai Island macaque
Macaca pagensis
The Pagai Island macaque, also known as the Pagai macaque or Bokkoi, is an Old World monkey endemic to the Mentawai Islands off the west coast of Sumatra.
Appearance
Their backs have a dark brown coloration, and chestnut to pale ochre on the sides of the neck, the front of the shoulders and the undersides of this species. Legs are brown and their arms, reddish brown. The faces of Mentawai macaques are furless and black-skinned with brown eyes.
The males' body lengths range from 45–55 cm (18–22 in) and females' body lengths are around 40–45 cm (16–18 in).
Range and habitat
The macaques' natural habitat is rainforest, but they can also be found in riverine and coastal swamp-forests. Roaming, solitary Pagai Island macaques may challenge the dominant male for his position, leading to aggressive fights. The Pagai Island macaque, also known as the Pagai macaque or Bokkoi, is an Old World monkey endemic to the Mentawai Islands off the west coast of Sumatra.
The species' primary habitat is on the Mentawai Islands 150 km (93 mi) off the west coast of Sumatra. Due to deforestation by immigrants from the Indonesian mainland, the species is now listed as critically endangered on the IUCN red list.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
Breeding
Females show fertility and willingness to mate by displaying their swollen and reddened genitals.
In crisis
It is listed as critically endangered on the IUCN Red List due to its ever-shrinking habitat. The alternating flooding and low water levels has also caused an increase in the population of malarial mosquitoes.
CITES lists this taxon on Appendix II. Confirm the current appendix on the CITES checklist.
Pagai Island macaque is Critically Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Pagai Island macaque, Wikidata item Q770434. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.


