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The Sumatran orangutan (Pongo abelii) ... A survey published in March 2016 estimates a population of 14,613 Sumatran orangutans in the wild, ...
The number of Bornean orangutans has decreased by more than 60% in 60 years, and the population of the Sumatran orangutan has decreased by 80% in the last 75 years. [2] It is estimated that between 1999 and 2015, the population of Bornean orangutans has decreased by over 100,000. [2]
They were shocked to find up to 200 members of the most severely threatened population of Bornean orangutans. The sub-species Pongo pygmaeus pygmaeus has only around 3,000-4,500 animals left in ...
Estimates in the 2000s found that around 6,500 Sumatran orangutans and around 54,000 Bornean orangutans remain in the wild. [130] A 2016 study estimates a population of 14,613 Sumatran orangutans in the wild, twice that of previous population estimates, [131] while 2016 estimates suggest 104,700 Bornean orangutans exist in the wild. [119]
There are three types of orangutans left in the world. The Bornean, the Tapanuli and the Sumatran. It’s believed that there are only 14,000 individual Sumatran orangutans left in the wild.
The population of the species has radically decreased over the past decade. ... Sumatran orangutan: Pongo abelii: 7,300 [55 ... Bornean orangutan: Pongo pygmaeus ...
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]
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]