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48904 Visitors Since 2011
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Listen to and view wildlife on Mt Salak
PRIMATES
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Long-Tailed Macaque
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The most commonly seen primate in the National Park is the Long-Tailed Macaque (Macaca fascicularis), also known as the Java Macaque, Crab-Eating Macaque or monyet ekor panjang. As indicated by the name, the tail is quite long, approximately equal in length to the body (up to 65cm). Both sexes weigh up to 8kg. It is omnivorous, eating insects as well as fruit, flowers and leaves, with fruit accounting for 60 percent of its diet. It is arboreal and diurnal, feeding in trees by day.
Unlike the Surili, this monkey is shy and rarely ventures into the Vila Botani property, but is frequently heard and sometimes seen in the National Park, usually on the upper branches of trees. The Long-Tailed Macaque ranges throughout Indonesia (except for islands from Sulawesi eastward) and into the tropical areas of neighboring countries of ASEAN.
Unlike the Surili, this monkey is shy and rarely ventures into the Vila Botani property, but is frequently heard and sometimes seen in the National Park, usually on the upper branches of trees. The Long-Tailed Macaque ranges throughout Indonesia (except for islands from Sulawesi eastward) and into the tropical areas of neighboring countries of ASEAN.
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Javan Surili Monkey, Grizzled Leaf Monkey
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A primate sometimes seen at Vila Botani is the surili, which may be encountered as the animals forage about seeking forest fruits. They are endemic to the western half of Java. Surilis are rather small, slim-built primates weighing 6 - 8 kg (13 - 18 lb). They are bolder than the long-tailed macaque and more likely to enter the property.
All leaf monkeys are diurnal and arboreal forest dwellers. They spend nearly their entire life in the trees and live in groups. Visitors have seen surilli hanging in the high branches. When they sense the presence of humans, they hide their faces behind the branches, but their bodies are still quite visible.
They are threatened by continued habitat loss. Farmers know them for their brazenness; when they attack crops, farmers have difficulty chasing them away. During a dry season, Pk Jai once observed a surili monkey wrestling a heavy and odiferous jackfruit free from its tree at Vila Botani and waddling away with his prize.
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Silvery Gibbons
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Common Names: Javan or Moloch Gibbon, Owa, Wauwau. Silvery Gibbons can be heard from afar in the National Park but are rarely seen. The silvery gibbons are small apes, weighing 5-9 kg with a body length of 44-64 cm. Their coat is bluish-grey in color, with a dark grey or black cap and they lack external tails. The silvery gibbon occupies a specialized niche in the forest canopy. They need the continuous canopy of a primary forest to move around in, since they don't travel on the forest floor.Chevron counted 61 gibbons in its concession on the South side of Mt Salak.
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Silvery Gibbons |
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Mount Halimun Salak National Park sustains the largest population of Javan gibbons, about 1,000. Like all gibbon species, the silvery gibbon lives in pairs. High in the treetops of Java's rainforests, a silvery gibbon female sings a morning song before she and her family move off to spend the day foraging for fruit. Her hauntingly plaintive song can be heard over a distance of almost one mile (1500 m).
Her "great call" starts with a soft, short note, then a series of eight short notes, followed by two longer notes which change to two soaring notes. The song comes to an end with two shorter notes, a series of eight short notes and a soft, single note of an almost constant pitch.
Females sing to declare their territory several times a day. The male of the mated pair will sit quietly, scanning the surrounding forest for intruders and if strangers are spotted, the male screams loudly in an attempt to scare them away.
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Listen to the Gibbons sing "great call" in Sumatran rainforest |
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Javan Slow Loris |
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The Javan slow loris (Nycticebus Javanicus) is a primate native to portions of the island of Java, in Indonesia. Its forehead has a prominent white diamond pattern, which consists of a distinct stripe that runs over its head and forks towards the eyes and ears. The Javan slow loris weighs between 1.25 and 1.51 lb. Like all lorises it moves slowly across vines and lianas instead of jumping from tree to tree. Its habitat includes primary and secondary forests, but it can also be found in bamboo and mangrove forests, and on chocolate plantations. Its diet typically consists of fruit, tree gum, lizards and eggs. It sleeps on exposed branches, sometimes in groups, and is usually seen alone or in pairs.
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The Javan lutung (Trachypithecus Auratus), a sub-species of the Silvery Gibbon is also known as the Ebony lutung and Javan langur, is most commonly glossy black with a brownish tinge to its legs, sides, and "sideburns". It is endemic to the island of Java, as well as on several of the surrounding Indonesian islands. Mount Halimun NP is one of few remaining secure habitats of Javan Lutung. Like all langurs, this species' tail is noticeably long, measuring up to 98 cm in length while the body is only around 55 cm long. The Javan lutung inhabits the rainforest and is arboreal. Its diet is primarily herbivorous, eating leaves, fruit, flowers, and flower buds, although it also eats insect larvae. Like other langurs, the Javan lutung is a social animal, living in groups.
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