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The Sumatran orangutan (Pongo abelii) is one of the three species of orangutans. Critically endangered , and found only in the north of the Indonesian island of Sumatra , it is rarer than the Bornean orangutan but more common than the recently identified Tapanuli orangutan , also found in Sumatra.
A 2017 genome study found that the Bornean and Tapanuli orangutans diverged from Sumatran orangutans about 3.4 mya, and from each other around 2.4 mya. Millions of years ago, orangutans travelled from mainland Asia to Sumatra and then Borneo as the islands were connected by land bridges during the recent glacial periods when sea levels were ...
Leuser Ecosystem, Aceh. The Leuser Ecosystem is an area of forest located in the provinces of Aceh and North Sumatra on the island of Sumatra in Indonesia.Covering more than 2.6 million hectares it is one of the richest expanses of tropical rain forest in Southeast Asia and is the last place on earth where the Sumatran elephant, rhino, tiger and orangutan are found within one area. [1]
The IUCN notes that the "key Sumatran Orangutan forest habitat was reduced by 60% of its area between 1985 and 2007." Experts say the reduction "will continue as forests within the species ...
Rakus, a male Sumatran orangutan, treated a wound on his face by chewing leaves from a climbing plant named Akar Kuning and repeatedly applying the juice to it, according to a paper published in ...
The Singkil Barat Nature Reserve [1] is a 650-square-kilometre (250 sq mi) [2] nature reserve found on the island of Sumatra, Indonesia.Located in the province of Aceh, the preserve contains the largest peat swamp within the leuser ecosystem and is hailed as the orangutan capital of the world. [3]
Young orangutan in the national park Mount Leuser Forest. Gunung Leuser National Park is one of the two remaining habitats for Sumatran orangutans (Pongo abelii). [3] In 1971, Herman Rijksen established the Ketambe Research Station, a specially designated research area for the orangutan. [4]
A wounded orangutan was seen self-medicating with a plant known to relieve pain. It's the first time an animal has been observed applying medicine to a skin injury.