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The Bornean orangutan and the Sumatran orangutan diverged about 400,000 years ago, [2] with a continued low level of gene flow between them since then. [2] The two orangutan species were considered merely subspecies until 1996; they were elevated to species following sequencing of their mitochondrial DNA. The Bornean orangutan has three ...
A group of 200 of the most endangered orangutans was found in Sarawek, Malaysian Borneo. ... They were shocked to find up to 200 members of the most severely threatened population of Bornean ...
The rate of deforestation during this time directly correlates with the decrease in orangutan population, as the species cannot survive in other areas. It is estimated that since 1950, the orangutan population has declined by 60%. [24] Between 1999 and 2015, the population of Bornean orangutans decreased by 100,000 individuals. [2]
Compared to their relatives in Borneo, Sumatran orangutans are more slender with paler and longer hair and a longer face. [36] Tapanuli orangutans resemble Sumatran orangutans more than Bornean orangutans in body build and hair colour. [21] They have shaggier hair, smaller skulls, and flatter faces than the other two species. [44]
"Bornean Orangutans decreased by more than 60% between 1950 and 2010, and a further 22% decline is projected to occur between 2010 and 2025," the organization explains, which "equates to a loss of ...
The endangered Borneo orangutans were photographed amid smoke and haze on Salat Island after their habitat was decimated by blazes believed to have been illegally started to clear land and make ...
The Borneo Orangutan Survival (BOS) Foundation is an Indonesian non-profit non-governmental organization founded by Dr. Willie Smits in 1991 and dedicated to the conservation of the endangered Bornean orangutan (Pongo pygmaeus) and its habitat through the involvement of local people.
In 2016, when the International Union for Conservation of Nature listed Borenan orangutans as a critically endangered species, the organization noted the animal's population was on the decline.The ...