2006). Photo: Professor Fan Peng-Fei of Sun Yat-Sen University, China. Extricating the root cause of population declines in such a variety of factors that influence primate populations is often difficult. Geissmann, 1995; Rowe, 1996; Marshall & Sugardjito, 1986). The IUCN has classified the population of the western hoolock as endangered and that of the eastern hoolock as vulnerable. The Asian elephant (Elephas maximus) and Hoolock gibbon (Hoolock hoolock) are two globally endan-gered wildlife species limited to only tropical Asian forests. 2006; Fig. Habitat characteristics in Lawachara and Kaptai.— A total of 25 species was identified in Lawachara in the 86 point samples (with 344 trees), compared to the 32 species in the 206 point samples (with 824 trees) in Kaptai. 172 Butterflies. The actual number of species used by hoolock gibbons is likely to be higher and is highly variable depending on seasonality and geographic range (Ahsan 2001). The species is further sub-divided into the western and eastern hoolock gibbon. Gibbons not only include the most endangered apes but also the most endangered primate species of the world. The most recent estimate of hoolock gibbons is close to 300 individuals (Islam et al. (CNN) A newly-discovered species of gibbon should be named in honor of Luke Skywalker, say the Star Wars-loving scientists who found it. However, it’s also edged with sadness – as we’re also calling for the IUCN to immediately confer Endangered status on the Skywalker hoolock gibbon, which faces the same grave and imminent risk to its survival as many other small ape species in southern China … western hoolock gibbons singing are monogamous and live in small family groups (2 - 5 individuals) with the adult male and female and their offspring. The efforts for conservation of hoolock gibbon has been funded by US Fish Wildlife Service (Great Ape Conservation Fund). We conducted a stepwise multiple regression using the number of hoolock gibbons as the response variable and the area of natural forest, area of plantations, area of agricultural land, and edible plant species richness as explanatory variables. The species of hoolock are: Western hoolock gibbon, Hoolock hoolock. Conservation specialists consider these animals as among the most endangered of gibbon species. 2005). Normally they reach a … Our study suggests that areas such as Baralekha, Lathitila, Lawachara, Satchari, and Adampur in the northeast and Kaptai, Rampahar, and Bamu have large enough populations and conservation efforts may be directed toward managing these hoolock gibbon populations. This does not mean that a relationship does not exist between natural forests and plantations and hoolock gibbon numbers. Hoolock gibbons (Hoolock hoolock) are endangered small apes occurring in Bangladesh, India, Myanmar, and south China. 56 Keywords: New species, Hoolock tianxing, gibbon, Mt. A further new species, Hoolock tianxing, with an estimated population of about 200 in China, was discovered in southwest China in 2017. However, the category referred to as “natural forests” in the Forest Department's database is poorly defined and includes shrub vegetation, open patches, and other kinds of habitat that were originally natural forests but have become modified over the years (Kabir & Muzaffar 2002). Both Lawachara and Kaptai had a high diversity of tree species, although clearly, each area varied with respect to the composition of tree species (Table 2). Of the two, the western hoolock is listed as Endangered in the IUCN Redlist, while the eastern hoolock is listed as Vulnerable. A variety of food species for hoolocks including Artocarpus chapalasha, Bixa orellana, Dipterocarpus spp., Syzygium spp., Mangifera sylvatica, Protium serratum, Entada spp., Ficus spp., and Lagersrtoemia speciosa, were represented in the point samples from both sites. 2 subspecies: Western Hoolock Gibbon (Bunopithecus hoolock hoolock), Eastern Hoolock Gibbon (Bunopithecus hoolock leuconedys). 2004, 2006) and the reduction of edible plant species richness could be an important force driving these local extinctions. Please check your email for instructions on resetting your password. List of all endangered species (animals & plants). If calls were heard, the groups were located and counted. Genus . With long and slender arms, hoolock gibbons are swift creatures, barely needing to step on the ground. All identifications were made in the field. Trees in Kaptai were larger when compared to Lawachara and regenerating, fruit‐producing trees in both sites must be protected to maintain the high floristic diversity important to hoolock gibbons. Wildlife enthusiasts who visit the … In each study site, we recorded the total species richness of food‐trees present, based on the total list of species present in the Forest Department database and corroborated on the ground by field workers. Populations such as the one in Lawachara National Park have remained relatively constant since much of the area categorized as natural forest is still intact. Learn about our remote access options, School of Environmental Science and Management, Independent University, House No. Hoolock Gibbon by Dr Raju Kasambe 03.JPG 768 × 791; 103 KB Hoolock Gibbon DSCN1410 01.jpg 4,608 × 3,456; 4.29 MB Hoolock Gibbon DSCN1410 02.jpg 4,608 × 3,456; 6.62 MB The Gaoligong hoolock gibbon, or Skywalker hoolock gibbon (Hoolock tianxing), has fewer than 150 individuals remaining and is a critically endangered species. The taxonomy of the hoolock gibbon has recently been significantly revised. To ensure the long-term conservation of the gibbons in this region, ten priority forest complexes have been identified. The eastern hoolock gibbon (Hoolock leuconedys) male can be differentiated from the western species (Hoolock hoolock) by its grizzled silver coloured chest; a silver genital tuft and the white brow streaks are widely separated in adult males and juveniles of both sexes instead of being The Hoolock gibbons’ original entire habitat covered about 100,000 square miles (160,000 sq km) and shrunk to 35,000 square miles (56,000 sq km) in 1987. The full text of this article hosted at iucr.org is unavailable due to technical difficulties. Florian Magne, the huro programme founder, said today that Noree was born to Dawn at the centre near Tura, the district headquarters of West Garo Hills, on Monday. Those found in Assam represents more than 70% of the Indian population. The gibbons live high up in the canopies of the tropical rainforests of China A gibbon living in the tropical forests of south west China is a new species of primate, scientists have concluded. Recent molecular evidence documented that the distance among gibbon subgenera was as large or larger than the distance between chimpanzees (Pan) and humans (Homo) (Roos & Geissmann, 2001). We compiled a list of all the plant species whose leaves, shoots, fruits, flowers are reported to be eaten by hoolock gibbons from Islam and Feeroz (1992), Ahsan (1994), and FD/MOEF (2000a). All variables were log transformed to normalize residuals (Sokal & Rohlf 1995). The principal cause of population decline is presumed to be habitat destruction (e.g., Gittins & Akonda 1982, Gittins 1984, Gittins & Tilson 1984, Chivers 2001, Islam et al. The silvery gibbon, also known as the Javan gibbon, is very rare and endangered. The censuses were conducted from 2003 to 2005 (detailed in Islam et al. Based on the results of these two studies, we offer suggestions to prioritize conservation and management action to help preserve hoolock gibbons in Bangladesh. The hoolock gibbons, also known as hoolocks, one of the most important attractions of north east india’s wildlife, hoolock gibbons are two primate species from the family of the gibbons. Gron KJ. The use of natural forest categorized by the Forest Department, therefore, does not provide any clear information on the habitat of hoolock gibbons, other than the fact that whatever habitat available to them had declined significantly over the years. Habitat suitability of the Asiatic elephant in the trans-boundary Patharia Hills Reserve Forest, northeast India. The Western Hoolock gibbon is an endangered lesser ape found in Asia. About 200 animals are thought to exist in China as well as an unknown number in Myanmar. 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. Hoolocks are the second largest of the gibbons, after the Siamang. Binomial name. The Western Hoolock Gibbon, the only wild ape found in India and also among the most endangered primates in the world, has found a safe haven thanks to the people of Meghalaya. Unfortunately this charismatic species is facing habitat loss and hunting across its range. The endangered forests of Bangladesh: why the process of implementation of the Convention on Biological Diversity is not working, https://doi.org/10.1111/j.1744-7429.2007.00298.x, https://www.cia.gov/cia/publications/factbook/geos/bg.html, *Indicates species that provide food for hoolock gibbons. The population of Bangladesh is currently 147 million (CIA 2006) and rural populations surrounding forested areas tend to exert a tremendous pressure on these resources to meet their basic demands for fuel wood and other forest products (Gain 2002). In Yunnan province in southwestern China, for example, the primatologist Fan Pengfei and Turvey found last year that a group of the endangered Skywalker Hoolock gibbon (Hoolock tianxing), a relative of the Hainan gibbon, had survived in unprotected forest due to … We thank the US Fish and Wildlife Service for funding this project through its Great Ape Conservation Program. Check out our The western hoolock gibbon ( Hoolock hoolock) is a primate from the gibbon family, Hylobatidae. western hoolock gibbon conservation MPS is proud to support its lifetime member, Tarik Kabir and his project on community-based conservation and population assessment of the Endangered Western hoolock gibbon (Hoolock hoolock) in Bangladesh with funds granted by The Rufford Foundation . 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