0:11. The Dusky Langur (Trachypithecus obscurus) is a large, handsome species of primate found in Malaysia, Thailand and Myanmar. Dusky langur geographic range. Leaf monkeys of the genus Presbytis are confined to Malaysia and western Indonesia, where they are mostly known by the local name surili; brow-ridged langurs of this region are generally called lutung.Most of the 10 or so Presbytis species are white on the underside and on the inner aspect of the thigh, contrasting sharply with the dark upper side. Their ranges include Malaysia, Burma (Myanmar), and Thailand. Disease transmissions would also occur due to overcrowding behaviour and increased aggressiveness. They will emit a “whoo” call to warn troop members of potential danger, followed by a two-part honk call known as “chengkong” to signify alarm and, some wildlife biologists speculate, to forewarn trespassers to keep away from a troop’s territorial border. In recent times parallel to the rise in usage of technological appliances and the Internet, sales in online retail and... Filipino Air Stewardess Found Dead In Hotel Tub With Cuts & Semen In Genitalia After New Year’s Party, Viral “Apa Lanji*o” Guy Pleads With People To Stop Spreading Meme, Netizens Do The Opposite, “Forget it, do it yourself,” Puchong Team Patches Up Potholes After Their Complaints Fall On Deaf Ears, Penang Police Officer Injured After Former Politician Accidentally Hit Him With His Car. Dusky Leaf Monkey is a species of primate in the Cercopithecidae (Old World Monkey) family. Map credit: Chermundy and IUCN. It’s not surprising that grooming is an important social and tactile behavior in their daily lives. These charismatic Old World primates live in bands of 2 to 13 individuals and spend nearly all their time in the trees. Juveniles remain within sight of their mothers. While they are up there, they are most likely looking for some leaf shoots, tasty unripe fruit (I prefer mine to be ripe but I am not a Dusky Leaf Monkey) and scrumptious flowers to feed on. Dusky langurs possess a repertoire of vocalizations. target_type: 'mix' The Dusky Leaf-monkey ( Trachypithecus obscurus) is a species of concern belonging in the species group "mammals" and found in the following area (s): Malaysia, Myanmar, Thailand. Old World monkeys (Superfamily - Cercopithecidae) are primates native to Asia and Africa, inhabiting forests, grasslands, and mountainous regions.One of the two subfamilies is Colobinae; the Langur group forms a part of this family and is commonly called the 'leaf monkey group'.The name is probably derived from the fact that more than 50% of their diet consists of leaves. Large groups often split into subgroups when foraging. The monkeys often chase, wrestle with one another, or even pull each other’s tail for fun. People tend to feed langurs human food, which is a behaviour that Langur Project Penang discourages. Seven subspecies of the dusky langur are recognized. Dusky langurs are social animals who live in groups, known as troops, of 5 to 20 individuals. Mother, malaysia. container: 'taboola-below-article-thumbnails', Dusky langurs are usually found in tropical rainforest with Dipterocarp trees. It is found in peninsular Malaysia, Myanmar and Thailand; however, dusky leaf monkeys have occasionally been observed in Singapore. Call today and … Humans destroying their habitat is one of the reasons that this species has been in decline. Geographic Distribution and Habitat: Dusky langurs—also known as spectacled langurs, dusky leaf monkeys, and spectacled leaf monkeys -- are found primarily on Asia’s Malay Peninsula. Dusky langurs feed on young leaves and occasionally on fruits, the seeds of which are then dispersed throughout the forest. As dusky leaf monkeys are arboreal, they prefer dwelling on tall trees in dense forests. known by a number of other common names including Spectacled Langur, Spectacled Leaf Monkey and Dusky Leaf Monkey. Embracing, grabbing, wrestling, and the reconciliatory belly-to-belly (ventro-to-ventro) hugging are other examples of tactile behavior, each with its own significance. His job is to keep the troop together, patrol the boundaries of a troop’s home territory, and  alert troop members of potential predators (who include snakes, large birds of prey, and humans). Meet our incredible monkeys! Time is allotted for rest, grooming, and play. Sadly, the baby monkeys would soon die as well, because of improper care and habitat. That’s not it. to our little friend. In the process of poaching, the family of the baby monkeys will be killed. These mostly docile primates practice what is known as “ventro-to-ventro” (or belly-to-belly) hugging during reconciliation. Because this honk call is so distinct, local people refer to spectacled langurs as “chengkongs.”. The Case of the Disappearing Habitat: The Candy Culprit-Get Started! Dusky Langurs Trachypithecus obscurus GENERAL INFORMATION The dusky langurs are native species in Peninsular Malaysia, Myanmmar and Thailand. Dusky leaf monkeys are distributed across the Malay Peninsula, where they are known to occur in southern Myanmar and some parts of Thailand. A quick check showed that these accounts are still active. According to the Society for Conservation Biology Malaysia, these monkeys play a crucial role in forest regeneration as essential seed dispersers (aka they’re super important in maintaining the ecological cycle). Animals Reference. Tongue flicks and lunges are used to deter a perceived threat. placement: 'Below Article Thumbnails', When feeding, dusky leaf monkeys use their hands to pluck leaves and shoots. Some langurs have been sighted encroaching into human settlements. window._taboola = window._taboola || []; How You Can Help Wildlife; What You Can Do, http://theanimalfacts.com/mammals/dusky-langur/, http://animaldiversity.org/accounts/Trachypithecus_obscurus/, https://www.aboutanimals.com/mammal/dusky-leaf-monkey/, http://www.ecologyasia.com/verts/mammals/spectacled_leaf-monkey.htm, http://thewebsiteofeverything.com/animals/mammals/Primates/Cercopithecidae/Trachypithecus/Trachypithecus-obscurus.html, http://www.iucnredlist.org/details/22039/0, http://cleanmalaysia.com/2016/06/16/malaysian-facebook-group-shut-selling-exotic-pets/, http://www.animal-info.co.za/spectacled-langur.html, https://twycrosszoo.org/animals/primates/monkeys/dusky-langur/, http://www.theprimata.com/trachypithecus_obscurus.html. They also inhabit coastal forests, riparian forests, botanical gardens, national parks, and even urban areas. This group of Dusky Leaf Monkey - Trachypithecus obscurus lives in secondary forest near to residential area. The dusky leaf monkey, spectacled langur, or spectacled leaf monkey (Trachypithecus obscurus) is a species of primate in the family Cercopithecidae. Dusky Langur is listed Endangered in the IUCN Red List with decreasing population number Source: IUCN Red List IUCN Red List Habitat:… Monkeys look adorable and almost seem relatable since humans share genetic material with these creatures, but the care for these creatures can be challenging. He also gets to mate with the females. They are sometimes also called 'spectacled langures'. To ensure their success, these formerly non-dominant males will kill all the offspring of the troop’s last dominant male. Habitat. Why do we need to care about our langurs tho? The species is found … This makes them important to the reforestation and biodiversity of their ecosystem. Copyright © 2020 WORLD OF BUZZ. Part of the INFLUASIA network. The motion of their tail allows them to balance, and their superior eyesight and depth of field helps them to easily advance. Family of dusky leaf monkeys with an orange baby monkey Spectacled langurs (dusky leaf monkeys / Trachypithecus obscurus) family: male (with the penis seen), female (with the breast) and an orange baby monkey. They spend the largest part of the day in the trees, where they crawl along the branches on all fours, although they can also jump well from tree to tree. T hese gentle, little fellows are endemic on the Malay Peninsula and the nearby smaller islands like Penang Island or Langkawi Island. Will our government would do anything to support the conservation of dusky leaf monkeys? Deforestation and overdevelopment in Penang have caused langurs to lose their habitat, forcing them to move to urban areas, as well as losing food sources. . It is not clear whether these monkeys are escaped pets or whether they swam to Singapore on their own volition from Johor, Malaysia. (Lek­agul and Mc­Neely, 1977; Med­way, 1969) The dusky langurs are native species in southern Myanmar, parts of Thailand & Peninsular Malaysia (including islands). Dusky langurs are a diurnal species (most active during daylight hours), spending virtually all their time leaping, running quadrupedally (that is, on all fours), and climbing through the rainforest’s high canopy. But the day isn’t only about finding and eating food, which dusky langurs do for about four hours from late morning to early afternoon. _taboola.push({ As sentries, males sit high in the treetops to keep watch for predators. TEDx Petaling Street happened yesterday, and Langur Project Penang raised awareness of the spectacled langur or dusky leaf monkey. Langur or Dusky leaf monkey is residents in Thailand (Trachypithecus obscurus). See more ideas about monkey illustration, monkey, illustration design. Apart from infanticide in the course of asserting dominance, dusky langurs live peaceably with one another in their established troops. The dusky leaf monkey can live in a variety of habitats, from riverine and coastal forests to parks in urban areas. (Alarm and territorial calls are similar.) Or they will search for a troop that has lost its dominant male, where they can exert their dominance. Found across the Malay Peninsula, our friend occurs in southern Myanmar and some parts of Thailand. If you didn’t know, the dusky leaf monkey is a threatened species that are primarily found in Penang. Because of their adorableness (especially the babies), they’re being sold to people as exotic pets. The dusky leaf monkey or spectacled langur (Trachypithecus obscurus) is a common primate species of Peninsular Malaysia. mode: 'thumbnails-a', The name “langur” comes from Hindu word that means long-tailed. We have Mallard, Muscovy, Pekin, Khaki Campbell, Crested, Orphington, Rouen ducks. There are more than 350 species of primates hailing from habitats in Asia, Africa, and the New World. Females emit similar calls as their male counterparts, but they use a softer tone. Come nightfall, dusky langurs return to their treetop roosts to sleep. The monkeys prefer dwelling on tall trees The species’ vocabulary also includes soft warning and coughing calls and a variety of squeaks, hoots, snorts, and murmurs. Feeding would alter the behaviour of the monkeys, causing them to depend on handed food, as well as suffer from internal damage because they’re not supposed to eat human food in the first place. Habitat and behaviour Lutungs live in the forests, often preferring rain forests, although occasionally they are also found in secluded mountain forests. Moreover, the natural habitat also includes the islands of Langkawi, Penang, and Perhentian Besar. All Rights Reserved. Reproduction. Why have dusky leaf monkeys become a threatened species? He is a fairly cautious chap and is not as bold as his brother and sisters. Hanging around these dangerous structures placed a risk for langurs to be electrocuted to death as well. The dusky langur is classified as Endangered by the International Union for Conservation of Nature (IUCN, 2015), appearing on the IUCN Red List of Threatened Species. This species is (confusingly!) Photograph by Tim Laman, Nat Geo Image Collection. Facts Summary: The Dusky Leaf-monkey (Trachypithecus obscurus) is a species of concern belonging in the species group "mammals" and found in the following area(s): Malaysia, Myanmar, Thailand.This species is also known by the following name(s): Dusky Langur, Spectacled Langur, Spectacled Leaf Monkey, T. corax, T. corvus, T. leucomystax, T. ruhei, T. smithii. Oct 1, 2015 - Explore MINIMOMA's board "MONKEY MONKEY", followed by 130 people on Pinterest. Other than deforestations, langurs are also targeted by poachers. Habitat. During the day, the troop will splinter into smaller groups to forage through the trees. Non-dominant males often leave their birth group and form “bachelor” groups, consisting of other solitary males. Good Detective Strategies and Helpful Hints, 10 of the most well known primate species, 10 primate species you probably never heard of, 10 of the most endangered primates species, The Alphabet Soup of Conservation-Video and Introduction, Life in Tropical Rainforests Introduction, Grivets, Tantalus, Malbroucks, and Vervets. They sit on a roof in Prachaup Khiri Khan city surroundings. In order to travel between fragmented forests, many of them ended up in roadkills when they fell from the poles and cables. Trachypithecus obscurus, or T. obscurus, is the scientific name for the Dusky Leaf Monkey.This is a near-threatened species which resides mainly in … In fact, they spend the majority of their day playing around about 35 m (115 feet) above the ground. In captivity, the dusky leaf can live up to 15 years old. She said she noticed the trend recently and slammed people who were buying wild primates, especially the Dusky Leaf monkey or Spectacled Langur that were being sold on social media by irresponsible dealers. Postures hold their own significance in communication between dusty langurs. }); (adsbygoogle = window.adsbygoogle || []).push({}); With the rising number of cases, there are a lot of Malaysians who are getting increasingly worried. We definitely hope that deforestations can be stopped because these dusky leaf monkeys do not deserve to be treated this way. Habitat. Vocalizations of males are typically more robust than that of female dusky langurs. 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