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Presbytis sabana
Basic stats
Diet
Young leaves, fruit, seeds, flowers, insects, plus mineral-rich soil (geophagy)
Habitat
Evergreen lowland, riparian and montane forest, and tree plantations
Range
Northern Borneo; confirmed across most of Sabah, unconfirmed in North Kalimantan
Litter size
1
Gestation period
About 5–7.5 months (genus-typical figure)
Size
Medium (head-body 48–56cm, tail 64–84cm)
Weight
Males 6–7kg; females 5.5–6kg
A grey-bodied leaf monkey with white underparts and black hands and feet, only recognised as a full species (split from Hose's langur) in 2014. The most cited field distinction from the very similar, Critically Endangered Miller's grizzled langur of East Kalimantan is crown colour — wholly brownish in this species, versus a blacker crown and crest in Miller's grizzled langur — though in practice the two rarely overlap geographically, so range is usually the more reliable clue.
Ecology is broadly similar to other Presbytis langurs: small folivorous troops moving through the mid-canopy of lowland, riparian and montane forest. Endangered (IUCN, assessed 2008), with hunting for bushmeat and for bezoar stones, plus large-scale forest clearance, as the principal threats.
