Physically adapted to living primarily or exclusively in trees. 29 $57.99 $57.99. When sold as a pet it often will have its teeth pulled out to prevent injury to the owner. The Sunda slow loris was first described (in part) in 1785 by the Dutch physician and naturalist Pieter Boddaert under the name Tardigradus coucang. Their faces are round, their eyes are large, and they have colored patches of fur around their eyes. They aren’t nearly as lanky and long legged as other primates. It sleeps during the day, rolled up in a ball in hidden parts of trees above the ground, often on branches, twigs, palm fronds, or lianas. The Sunda slow loris has dark rings around its large eyes, a white nose with a whitish strip that extends to the forehead and a dark stripe that stretches from the back of the head along the spine. Its soft, thick, woolly fur ranges from light brown to deep reddish brown, with a lighter underside. Each of these species inhabits its own environment, meaning different efforts are necessary for their conservation. It has a shortened second digit, and the hands have a strong grip. Both males and females will disperse in the wild, this occurs between 16 and 27 months. 4.5 out of 5 stars 1,196. Its movement has been described as unique; similar to crawling, or as if it was climbing in every direction, the Sunda slow loris changes direction or moves between branches with little noise or change in speed. It is important to make these distinctions clear since people frequently confuse or conflate lorises with other animals, including a species of Australasian possum known as a cuscus, which is not a primate but a marsupial. Please post your images to our Thai Biodiversity Survey & Species ID group on Facebook. The data is not necessarily accurate nor complete. Like other slow lorises, the Sunda slow loris is an arboreal and nocturnal primate, resting by day in the forks of trees, or in thick vegetation and feeding on fruit and insects by night. She moves more quietly than the gentlest breeze. In the wild the mating system of the Sunda slow loris is thought to vary between populations. A pattern of mating in which a female animal has more than one male mate. This is spread across their bodies and those of their offspring using the toothcomb while grooming. Infants emits clicks and squeaks when disturbed. It also has glands on its anus and can signal conspecifics by perineal rubbing which deposits urine. Map: IUCN, 2020, Photo credit: David Haring/Duke Lemur Center/ Creative Commons. Species differentiation was based largely on differences in morphology, such as size, fur color, and head markings. Though they will indeed groom or vocalize with a mate, the majority of their interactions tend to be olfactory. Unfortunately, the demand for slow lorises as pets continues to thrive and is the greatest threat to their survival. The authors suggest that this result may be explained by introgressive hybridization, as the tested individuals of these two taxa originated from a region of sympatry in southern Thailand; the precise origin of one of the N. coucang individuals was not known. Although most of the recognized lineages of Nycticebus (including the pygmy slow loris (N. pygmaeus), Bornean slow loris (N. menagensis) and the Javan slow loris (N. javanicus)) were shown to be genetically distinct, the analysis suggested that DNA sequences from selected individuals of Sunda slow loris (N. coucang) and Bengal slow loris (N. bengalensis) shared a closer evolutionary relationship with each other than with other members of their own respective species. Before she departs, though, she makes sure to lick her toxic oils into his fur in the off-chance a predator should come upon him. Human civilization also affects lorises in less direct ways. Despite this, they are known to be generally sociable in captivity, with allogrooming being the most common social behavior. Of the thousands of slow lorises that end up in captivity, few survive the ordeal. But remember, again; the map may not be accurate or complete. The Sunda slow loris is sympatric (shares its range) with the Bengal slow loris in Thailand and hybridisation has occurred. The resulting fragmentation has restricted species dispersal as it depends on continuous canopy cover to move from tree to tree. (Wiens and Zitzmann, 2003) Communication and Perception. she is comfortable leaving him in order to forage on her own at night. No problem if you do not know the species, we will do our best to identify it for you. The majority of lorises who have their teeth removed die shortly thereafter from grizzly and painful infections. If she is rescued, she will likely spend the rest of her life in a rescue facility. Unlike the Bengal slow loris, the Sunda slow loris does not show sexual dimorphism by weight. It is one of several species of slow lorises, all of which occur in Asia. It is free to use this map on various media. It measures 27 to 38 cm (11 to 15 in) from head to tail and weighs between 599 and 685 g … It is found in Indonesia, on the islands of Sumatra, Batam and Galang in the Riau Archipelago, and Pulau Tebingtinggi and Great Natuna (Bunguran) in the Natuna Islands; in Malaysia on the Malay Peninsula and Pulau Tioman; in the southern peninsular of Thailand; and Singapore. The species is distinct from the Bengal slow loris due to the dark inverse teardrop markings around the eyes which meet the dark dorsal stripe on the back of the head. Though there are several different species of Lorises, they are quite similar in shape and size. The species is listed as "Vulnerable" on the IUCN Red List. Local color variations are known to occur. Its scientific name. With a greater purchasing power, the increasing human populations in the species' range could have an even more serious impact. Rescued lorises are typically in bad shape and suffer from a number of health issues. The Sunda slow loris may grin or bare its teeth. It is also killed as a crop pest. Because they rely on crypsis to avoid predators, they do not make alarm calls. In Sunda slow lorises, type of habitat affects the size of a home range, which is highly variable. Special thanks to Ton Smits, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data. One major distinguishing feature between all loris species is locomotion: the Sunda slow loris moves slowly through trees on all four limbs, typically with three limbs attached to a support at a time. Without teeth, these lorises can no longer groom each other or forage for gum and saps. In captivity however, there is a clear birth peak between March and May. The Asiatic reticulated python, the changeable hawk-eagle and the Bornean orangutan have been recorded as predators of the Sunda slow loris. A captive loris that somehow avoids death by infection is still likely to die from a combination of malnutrition and aggravated stress. When darkness falls, she becomes active. Slow lorises cannot live on fruit alone. Due to a very high mortality rate in captivity due to stress, improper nutrition and infection, the pet trade is inflated by replacements. Creative Commons Attribution-ShareAlike 4.0 International Thai National Parks, Creative Commons Attribution-ShareAlike 3.0 Unported Chermundy. Slow loris are omnivorous, eating insects and other arthropods, small birds and reptiles, eggs, fruits, squirrels, nectarines and miscellaneous plants. Lorises do share their side of the primate family tree with lemurs (found in Madagascar only) and bush babies (African continent) and are closely related to the African potto. Sunda Slow Loris. It also consumes gums and arthropods such as spiders and insects. It is commonly known as malu-malu, meaning "shy" in Indonesian, and also as bukang or Kalamasan. 3.8 out of 5 stars 10 ratings. Olfactory communication is very important in this species. These endemic animals are smuggled by commercial ships operating in sea route between Indonesia and […] Please help us improving our species range maps. See the creative common license terms by clicking "CC" icon below the map. Vosmaer gave it the French name "le paresseux pentadactyle du Bengale" ("the five-fingered sloth of Bengal"), but Boddaert later argued that it was more closely aligned with the lorises of Ceylon (now Sri Lanka) and Bengal. 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Unlike monkeys, they do not have long tails, but they do have a short stub of a tail. In 1971 Colin Groves recognized the pygmy slow loris (N. pygmaeus) as a separate species, and divided N. coucang into four subspecies. Males have shown antagonistic behaviors such as attacks, pursuits, threats, assertion, fighting, and subordination. While such research may provide some insight into the nature of the Sunda slow loris, it is not necessarily consistent with their behaviors in the wild. The Sunda slow loris has a signature white stripe of fur that runs between her large eyes, which are encircled by dark black rings. Slow lorises eat insects, small birds and reptiles, eggs, fruits, gums, nectar and some vegetation. Her ability to never trip, misstep, nor make any kind of sudden movement ensures that she draw no unwanted attention to herself. In reality, slow lorises are more than capable of looking out for themselves in the wild and almost always die when held in captivity. (At the end of 2012, the Bornean slow loris was itself divided into four distinct species.). For the location, please provide the district name or the national park/ wildlife sanctuary name. For some, the stress of being rescued is the final straw and kills them. Let's help Leo, Katie and Hero to find a suitable home for our solitary friend, the Sunda Slow Loris! Sunda slow lorises are solitary, self-reliant, and yet peculiarly social primates. But this behavior is actually how a slow loris begins to apply its venom and, therefore, was actually a desperate effort to ward off what he obviously perceived as a most cruel and sadistic predator. Seldom do their meetings become aggressive. Adults live in overlapping ranges of . Effects of the Venom in Humans. Loris owners typically know nothing in regards to caring for their captives properly. There is broad overlap between ranges of Sunda slow lorises. In June 2007 it was transferred from CITES Appendix II to Appendix I, indicating a true concern about the state of international trade in this species, an act now forbidden by international law. By simplifying their loris’ natural diet and relying on fruits like bananas and apples, owners ensure that their captives develop a number of serious health issues such as diabetes, obesity, and renal failure until they eventually perish. Specifically, the Eco-Link@BKE, an ecological bridge that spans the Bukit-Timah Expressway and reconnects the Bukit Timah and Central Catchment Nature Reserves, was designed to help creatures like the Sunda regain access to their former ranges. In many other species of primate, evolution has diminished the olfactory sense considerably. One study recorded that the most slow lorises ever seen together was six; this appeared to be a female in estrus and five males following her. 3.8 out of 5 stars 10. This hypothesis was corroborated by a 2007 study that compared the variations in mitochondrial DNA sequences between N. bengalensis and N. coucang, and suggested that there has indeed been gene flow between the two species. When exploring new environments and during handling, it makes ultrasonic vocalisations out of the human hearing range. Like other slow lorises, the Sunda slow loris has glands on its elbows that exude oils. The largest amount of time is spent eating phloem sap (34.9%), floral nectar and nectar-producing plant parts (31.7%), and fruits (22.5%). Sunda slow loris geographic range. The female will hang from a branch and may vocalise. This may cause dental infections which have up to a 90% death rate. Many assume that the task will be similar to raising a dog or a cat and are unaware of slow lorises’ complex biologies and complicated lifestyles. 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