Very recent investigations have shown that the hoolock gibbons are not closely related to B. sericus, so they have been placed in their own genus, Hoolock. EASTERN HOOLOCK GIBBON. (1987) Notes on the distribution and conservation of Phayre’s leaf monkey and Hoolock gibbon in India. T. hoolock gibbons [genus Hoolock] Hulocks {pl} zool. Diese Art kommt in der äußersten östlichen Ecke von Assam und in Teilen von Arunachal Pradesh, Myanmar östlich des Chindwin-Flusses, wie dem Mahamyaing Wildlife Sanctuary, und im Südwesten von Yunnan in China … Choudhury, A.U. Hoolocks are the second-largest of the gibbons, after the siamang. WildFilmsIndia. Choudhury, A.U. Choudhury, A.U. We conducted a survey of the distribution and population status of the eastern hoolock gibbon Hoolock leuconedys in non-protected fragmented forest areas of the Lower Dibang Valley district of Arunachal Pradesh, India, during September 2010–June 2011. The genus of hoolock gibbons comprises two previously described living species, the western (Hoolock hoolock) and eastern hoolock (H. leuconedys) gibbons, geographically isolated by the Chindwin River.We assessed the morphological and genetic … Western hoolock gibbon ( Hoolock hoolock ), mother and infant. Just better. The genus Hoolockis unique among gibbons in possessing a diploid chromosome number of 38 (Prouty et al. They live together in monogamous pairs, which stake out a territory. SOURCES : IUCN IASbhai WINDUP: Surrounded by tea estates and villages, the shrinking forest is plagued by habitat loss, fragmentation, and human pressures. In the process, the two subspecies of hoolock gibbons have been raised to species level. - Nature Picture Library eastern hoolock gibbon T. eastern hoolock gibbon [Hoolock leuconedys] Östlicher Weißbrauengibbon {m} zool. Hoolock gibbons is a primate from gibbon family and are wild animals found in certain parts of Indian jungles too. In 2009 the it was considered as one of the 25 most endangered primates in the world. After about six months, the hair of males will darken and turn black, while the female hair remains buff-colored throughout her life. Size, Weight, and Lifespan There is not much difference in size between males and females; they weigh between 13 and 19 pounds (6–9 kg) and stand 23–35 inches (60–90 cm) tall. Indian records of the species likely to actually represent the Western Hoolock, The species has experienced a drastic population decline in the last 30 to 40 years. Driving 120 kilometers (75 miles) north from Barekuri, the lush green fields of the easternmost corner of Assam gradually give way to the Mishimi Hills of Lower Dibang Valley district in Arunachal Pradesh state. of eastern hoolock gibbons livingin highly fragmented forest in the southeast boundary of Mehao Wildlife Sanctuary, lower Dibang valley district, Arunachal Pradesh, India (Sarmaet al. Between August 2010 and September 2011, we studied the ranging behavior of one habituated group of eastern hoolock gibbon (H.leuconedys) living in a seasonal montane forest in Gaoligongshan, Yunnan, China. Groves (1967) considered the hoolock to have two subspecies, Hylobates hoolock hoolock, the western Hoolock gibbon, and H. h. leuconedys, the eastern hoolock gibbon, separated by the Chindwin River system. Eastern hoolock gibbons. We studied singing patterns of two habituated and two unhabituated groups at two sites in Gaoligongshan … They reach a size of 60 to 90 cm and weigh 6 to 9 kg. Young hoolocks are born after a seven-month gestation, with milky white or buff-colored hair. These four subgenera were elevated to full genus status. All information about hoolock gibbons comes from studies on western hoolock gibbons (Hoolock hoolock) living in lowland forest. : Bunopithecus (hoolock) hoolock] Hulock (2013) Description of a new subspecies of Hoolock gibbon, "Description of a new species of Hoolock gibbon (Primates: Hylobatidae) based on integrative taxonomy", "New species of gibbon discovered in China", https://en.wikipedia.org/w/index.php?title=Hoolock_gibbon&oldid=983715958, Creative Commons Attribution-ShareAlike License, This page was last edited on 15 October 2020, at 20:46. Es ist eine von drei Arten von Hoolock Gibbon. Map credit: Chermundy & IUCN/Creative Commons. White rings around their eyes and mouths give their faces a mask-like appearance. The eastern hoolock gibbon (Hoolock leuconedys) is a primate from the Hylobatidae (gibbon) family. Most gibbons dwell in the tropical forests of Southeastern Asia, but eastern hoolock gibbons (Hoolock leuconedys) survive in high montane forest ranging from 1,600 to 2,700 m a.s.l. This site remains a work in progress. eastern hoolock gibbon (H. leuconedys) living in a seasonal montane forest in Gaoligongshan, Yunnan, China. After some studies, the genus was divided into three subgenera (including the siamang's Symphalangus), and then into four (recognizing Bunopithecus as the hoolock subgenus distinct from other gibbon subgenera). The Mehao Wildlife Sanctuary, the only protected area in India established to protect the eastern hoolock gibbon (Hoolock leuconedys), is located here. The sexes are about the same size, but they differ considerably in coloration: males are black-colored with remarkable white brows, while females have a grey-brown fur, which is darker at the chest and neck. We describe a species of Hoolock gibbon (Primates: Hylobatidae) that is new to science from eastern Myanmar and southwestern China. » Gibbons » … Creatures » Cellular Organisms » Eukaryotes » Opisthokonts » Animals » Bilateria » Deuterostomes » Chordates » Vertebrates » Jawed Fish » Bony Fish » Lobe Finned Fishes » Terrestrial Vertebrates » Amniotes » Synapsids » Therapsid » Cynodonts » Mammals » Therians » T. hoolock gibbons [genus Hoolock] Weißbrauengibbons {pl} zool. (1991) Ecology of the Hoolock gibbon, a lesser ape in the tropical forests of North-eastern India. Like the other gibbons, they are diurnal and arboreal, brachiating through the trees with their long arms. People Resources and Conservation Foundation | Terms of Use, and in southwest Yunnan (China). It is found in some parts of Arunachal Pradesh and Assam in India, and in southern China and north-east Myanmar outside India. Their life expectancy in the wild is about 25 years. 2 years ago | 65 views. However, some species are more common to find that others. The species is found in extreme eastern corner of Assam and parts of Arunachal Pradesh, Myanmar east of the Chindwin River, and in south west Yunnan of China. Eastern Hoolock Gibbon Hoolock leuconedys (Groves 1967) collect. CONTACT The hoolock gibbons are three primate species of genus Hoolock in the gibbon family, Hylobatidae, native to eastern Bangladesh, Northeast India, Myanmar and Southwest China. Nature Picture Library offers the best nature photographs and footage from the world's finest photographers, to license for commercial and creative use. The hoolock gibbons are three primate species of genus Hoolock in the gibbon family, Hylobatidae, native to eastern Bangladesh, Northeast India, Myanmar and Southwest China. Quite the same Wikipedia. Preferred Names. However, the type species for Bunopithecus is Bunopithecus sericus, an extinct gibbon or gibbon-like ape from Sichuan, China. Hoolock leuconedys (Groves 1967) Species recognized by EOL Dynamic Hierarchy 1.1 and EOL Dynamic Hierarchy 1.1. Of the two, the western hoolock is listed as Endangered in the IUCN Redlist, while the eastern hoolock is listed as Vulnerable, and both species’ populations have been declining due to habitat destruction of various forms and hunting for meat. Their calls serve to locate family members and ward off other gibbons from their territory. Content by Andie Ang unless otherwise stated © 2014-2020 | Andie Ang. T. western hoolock gibbon [Hoolock hoolock, also: Hoolock hoolock hoolock, syn. overview; data; media; articles; maps; names; Scientific Names. (2006) The distribution and status of hoolock gibbon, Choudhury, A.U. The Eastern Hoolock Gibbon (Hoolock leuconedys) is one of two species of Hoolock Gibbon. Classically, all gibbons were classified in the genus Hylobates, with the exception of the siamang. More than 500,000 images and video clips online, from tigers to turtles and elephants to sharks. 2013). The eastern hoolock gibbon: It inhabits specific pockets of Arunachal Pradesh and Assam in India, and southern China and north-east Myanmar. Eastern hoolock gibbons in Gaoligongshan inhabit the coldest habitat of all gibbon populations, but both conservation and research efforts on this population have been minimal. Eastern Hoolock Gibbon Range Der östliche Hoolock Gibbon ( Hoolock leuconedys) ist ein Primat aus der Gibbon-Familie Hylobatidae. There are numerous threats to Hoolock Gibbon, including habitat encroachment, forest fragmentation, hunting for, A win for weavers: community entrepreneurship prize, Both Hoolock Gibbon species are separated by the Chindwin River in western Myanmar, which flows into the Irrawaddy. Species recognized by … 1983; Liu et al., 1987). With long and slender arms, hoolock gibbons are swift creatures, barely needing to step on the ground. Previously, they were counted among the populations of eastern hoolock gibbons (H. leuconedys), a species that the IUCN Red List has classified as vulnerable. In northeast India, the hoolock is found south of Brahmaputra as well on the North Bank areas and east of the Dibang Rivers. After eight to 9 years, they are fully mature and their fur reaches its final coloration. [4] Its range extends into seven states covering Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, and Tripura (The seven northeastern states of India).[5][6]. Eastern Hoolock Gibbon the only lesser ape found in India. Mootnick and Groves stated that hoolock gibbons do not belong in the genus Bunopithecus, and placed them in a new genus, Hoolock. [1][2] A new subspecies of the western hoolock gibbon has been described recently from northeastern India, which has been named the Mishmi Hills hoolock gibbon, Hoolock hoolock mishmiensis. Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. : Bunopithecus hoolock leuconedys)** (GROVES, 1967) Photo by: ZGAP - Zootier des Jahres 2019 : Additional images here: www.biolib.cz: Number of Subspecies: 00: Information Source for Taxanomy: Wilson, Don E. / Mittermeier, Russel A.; HMW Vol. Sexes of both species have distinct white eyebrows, which are closer together in the Western Hoolock, making this the main visual diagnostic feature. Links are in blue. This separation was supported by pelage differences in specimens in the American Museum of Natural History and the British Museum. The classification of this gibbon has changed several times in the past few years. The Oxford English Dictionary says that the name "Hoolock" is from the Assamese হলৌ (holou) or related languages. Slideshow Share image « « Eastern Hoolock Gibbon hanging from a branch » Share this image —... Hoolock Gibbon copyright Nikhil Devasar 21 Mar 2009. This species is found particularly east of the Chindwin River in Myanmar and in southwest Yunnan (China). Es werden eine westliche (H. hoolock) und eine östliche Art (H. leuconedys) unterschieden, die ursprünglich als Unterarten einer einzigen Art (H. hoolock) geführt wurden. India’s biodiversity is home to an incredible variety of flora and fauna. Their diet consists mainly of fruits, insects and leaves. In 2005, the western and the eastern Hoolock gibbons were classified as two distinct species. The geographical range of the eastern hoolock gibbon in India is contiguous with its range in Myanmar through the Chukan pass in Changlang district (Das et al., ). Eastern hoolock gibbon** Hoolock leuconedys (Syn. Reference taxon from ITIS Global in Species 2000 & ITIS Catalogue of Life. In other gibbon genera the number is 50 (Symphalangus), 52 (Nomascus) and 44 (Hylobates), respectively. Die Weißbrauengibbons oder Hulocks (Hoolock) sind eine Primatengattung aus der Familie der Gibbons (Hylobatidae). The two species differ in their fur coloration and DNA sequences, and may have diverged about 1.42 million years ago. Indian records of the species likely to actually represent the Western Hoolock eastern hoolock gibbon [Hoolock leuconedys] Östlicher Hulock {m} zool. [7] A further new species, Hoolock tianxing, with an estimated population of about 200 in China, was discovered in southwest China in 2017.[8]. হলৌ ( holou ) or related languages extinct gibbon or gibbon-like ape from Sichuan, China are! Ang unless otherwise stated © 2014-2020 | Andie Ang their fur reaches its final coloration two species differ in fur... Is one of two species of Hoolock gibbon ( Hoolock Hoolock ) living in lowland forest are diurnal arboreal... 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