In malay orang means “person” and utan is defined as “forest’ thus orangutan literally means “person of the forest” orangutans are found in the tropical forests of sumatra and borneo. Thanks for watching please like, comment and share. Significant genetic studies performed in the 1980s and 1990s demonstrated that the orangutans from the two islands are indeed genetically distinct and classifiable as separate species – pongo pygmaeus (bornean orangutan) and pongo abelii (sumatran orangutan. Orangutans once lived throughout southeast asia, but today the only two surviving species are confined to the scattered remnants of rain forest on sumatra and nearby borneo the sumatran.
Orangutans exhibited moderate interest in looking at photographs, with four orangutans participating in study 1 and study 2, and six orangutans participating in study 3 the results of study 1 showed that orangutans preferred photographs of unfamiliar orangutans over unfamiliar humans. Biology there are two differentiated species of orangutan, pongo pygmaeus abelii and pongo pygmaeus pygmaeus, both of which are considered endangered species orangutans are sexually dimorphic, with female weights range from 30 - 50 kg, while males are 50 - 90 kg. Read hunting of sumatran orang-utans and its importance in determining distribution and density, biological conservation on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Orangutans essay orangutans essay 1026 words oct 24th, 1999 5 pages show more orangutans tim sanderson anth 111 in malay orang means person and utan is defined as forest' thus orangutan literally means person of the forest they successfully released sumatran orangutans back into the protected bukit tigapuluh national park in. Assuming an average weight of 385 kg , a female sumatran orangutan (pongo abelii) with its weight centered in the middle would depress the whole nest structure an average of 108 m and the edges an average of 08 m this leads to the question whether this observed pattern is an artifact of the nest-building process or the result of design. The sumatran orangutan conservation programme (socp) is the only project actively establishing entirely new, genetically viable and self-sustaining wild populations of any great ape species, anywhere in the world. Orangutan population biology, life history, and conservation perspectives from population viability analysis models orangutan population biology, life history, and conservation 313 large, long-lived, slow-breeding apes population 2005 a follow-up workshop for sumatran orang-utans was convened by conservation international in berastagi. Sumatran orangutan: threats and rehabilitation strategies there are many protected areas across sumatra, however illegal logging still occurs within the majority of them the leuser ecosystem conservation area.
Wild orangutans nearly always nest in the treetops, whereas orangutans housed in zoos tend to nest in close proximity to the ground or on the ground this is not surprising in part because zoo-housed orangutans do not face the same pressure from predators that wild orangutans do. The mitochondrial dna molecule of sumatran orangutan and a molecular proposal for two (bornean and sumatran) species of orangutan journal of molecular evolution, 43(5):431-437 zhang, yw, oa ryder, and yp zhang 2001. Female reproductive strategies in orangutans, evidence for female choice and counterstrategies to infanticide in a species with frequent sexual coercion cheryl denise knott, melissa emery thompson, rebecca m stumpf, in the orang utan: its biology and conservation. Orangutan breeding orangutans can be divided into two species: bornean and sumatran, and both of these have very similar processes of reproduction although the exact lengths of time can vary slightly between the two species. The word orangutan (also written orang-utan, orang utan and orangutang) is derived from the malay and indonesian words orang meaning person and hutan meaning jungle, or man of the forest orang hutan is the common term in these two national languages, although local peoples may also refer to them by local languages.
The sumatran orangutan is widely considered as the most threatened species of great ape durrell wildlife conservation trust 2006 it is estimated that there are approximately 6,500 individuals remaining in sumatra (wich et al, 2008), and the species is listed as critically endangered under the. The orangutans (also spelled orang-utan, orangutang, or orang-utang) are three extant species of great apes native to indonesia and malaysia orangutans are currently only found in the rainforests of borneo and sumatra. As well as species to inhabit them, such as the sumatran rhino, the sumatran elephant, the sumatran tiger, and, of course, the island’s now two species of orangutan. We exposed sumatran orangutan (pongo abelii) orphans from tool-using and non-tool-using regions (western swamps and eastern langkat, respectively) that differed in both genetic  and cultural  backgrounds to a raking task and a honey-dipping task [7, 8] to assess their understanding of stick use.
The sumatran orangutan lives on the island of sumatra, indonesia, and is commonly found in the lowland and hilly tropical rainforests indonesia’s forests are threatened with legal and illegal logging and deforestation. Abstract the estimated number of orangutans in the wild has been changing along with the development of methods used in censusing the species the most appropriate method for estimating the population of orangutans in the wild is through a long-term study. Both the bornean and sumatran orangutans are protected in the wild then these precious compassion protection freedom the orangutan project : annual report 2013 - 2014 2 the orangutan project (top) is a not-for- several papers on orangutans in peer reviewed journals leif is author of the book. The mission of orangutan foundation international is to support the conservation, protection, and understanding of orangutans and their rainforest habitat while caring for ex-captive orphan orangutans as they make their way back to the forest.