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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 Sumatran orangutan is endemic to the north of Sumatra. In the wild, Sumatran orangutans only survive in the province of Nanggroe Aceh Darussalam (NAD), the northernmost tip of the island. [23] The primate was once more widespread, as they were found farther to the south in the 19th century, such as in Jambi and Padang. [24]
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.
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 ...
Three orangutans are once again enjoying life in the wild thanks to the dedication of workers with the International Animal Rescue. A group of humans went on grueling 48-hour journey to release ...
In June 2022, a male Sumatran orangutan named Rakus sustained a facial wound below the right eye, apparently during a fight with another male orangutan at the Suaq Balimbing research site, a ...
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]
Three trafficked Sumatran orangutans were sent back from Thailand to Indonesia on Thursday as part of a joint effort between the countries to tackle the illegal wildlife trade. Nobita and Shizuka ...