Selangor Silvered Langur (Trachypithecus selangorensis) lives in tropical rainforest across Southeast Asia. Its conservation status is Near Threatened.
Fascinating facts about the Selangor Silvered Langur
- Infants are born with bright orange fur and white faces, hands and feet, a striking contrast to adult colouring. Over the first three to five months this orange fades, beginning on the head then spreading to the hands, feet and finally the rest of the body. All group members, including non-mother females and the dominant male, help care for the young. One suggested reason for the vivid infant colour is that it may draw additional females to assist in infant care.
- The Selangor silvered langur is distinguished by long, straight whiskers, a trait that sets it apart from the closely related silvery lutung, which bears mussel-shaped whiskers. This morphological difference is one of the clear markers used to separate the two species. Genetic analyses also reveal distinct differences between them, reinforcing their classification as separate species.
- At Bukit Melawati the langurs have become unusually comfortable around people, often touching and climbing onto visitors after being habituated to human presence. They also approach tourists to beg for food, a behaviour encouraged by regular feeding activities at the site. This level of habituation is rare among wild leaf monkeys, making the Bukit Malawati population one of the few that regularly interact closely with humans.
- While most leaf monkeys live in groups with a single adult male, the Selangor silvered langur often forms troops that include several adult males. A study by Sterck and Van Hooff found it was more likely than most species to have more than one adult male in a group.
- Mid-20th-century surveys recorded about 6,000 Selangor silvered langurs in West Malaysia, but a later study showed the population had fallen to roughly 4,000 by 1975. This represents a loss of around two thousand individuals over just a few decades. The decline was documented by Khan, who compared the 1958 estimate with the 1975 count. Such a rapid reduction highlights the species' vulnerability and the need for continued monitoring.
Sources
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At a glance
RangeSoutheast Asia
HabitatTropical rainforest
DietLeaves and fruits
About the Selangor Silvered Langur
In the lush canopies of Malaysia's forests, the Selangor Silvered Langur glides with effortless elegance, its silvery coat glistening like the moon as it leaps from branch to branch with a fluidity that belies its size. With each bounding stride, it embodies the very essence of arboreal agility, its long tail a counterbalance to its lithe, muscular form as it navigates the tangled web of tree limbs with an air of quiet confidence. As it vanishes into the dappled shadows, its piercing gaze lingers, a fleeting glimpse into the secret world of this enigmatic, and increasingly rare, primate.
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