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Orangutans are the only great apes in Asia, making their homes on the islands of Borneo and Sumatra in the Malay archipelago. Orangutans are arboreal, meaning they primarily live in the trees ...
The researchers also published less complete copies from ten wild orangutans, five from Borneo and five from Sumatra. The genetic diversity was found to be lower in Bornean orangutans (Pongo pygmaeus) than in Sumatran ones (Pongo abelii), despite the fact that Borneo is home to six or seven times as many orangutans as Sumatra. The comparison ...
The study analyzed the genetic samples of 37 wild orangutans from populations across Sumatra and Borneo and conducted a morphological analysis of the skeletons of 34 adult males. [3] The holotype of the species is the complete skeleton of an adult male from Batang Toru who died after being wounded by locals in November 2013.
Orangutans and humans diverged lineages approximately 14–18 million years ago. About 17,000 years ago, there was a migration of the Bornean orangutans as they eventually went to Sumatra, effectively trading places with the Sumatra orangutans that were there at the time. These two species of orangutans have been closely related throughout ...
There are about 440 freshwater fish species in Borneo (about the same as Sumatra and Java combined). [39] The Borneo river shark is known only from the Kinabatangan River. [40] In 2010, the World Wide Fund for Nature (WWF) stated that 123 species have been discovered in Borneo since the "Heart of Borneo" agreement was signed in 2007. [41]
Mother orangutans are killed so their infants can be sold as pets. Between 2012 and 2017, the Indonesian authorities, with the aid of the Orangutan Information Center, seized 114 orangutans, 39 of which were pets. [129] Estimates in the 2000s found that around 6,500 Sumatran orangutans and around 54,000 Bornean orangutans remain in the wild. [130]
The Borneo Orangutan Survival Foundation said on Tuesday that "as many as 37 young orangutans" in its rehabilitation center, located in Nyaru Menteng, are "suspected to have contracted a mild ...
They are now found only in parts of Borneo and Sumatra, but during the Pleistocene they ranged throughout Southeast Asia and South China. Orangutans were originally considered to be one species. From 1996, they were divided into two species: the Bornean orangutan (Pongo pygmaeus, with three subspecies) and the Sumatran orangutan (P. abelii).