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The Bornean orangutan diet is composed of over 400 types of food, including wild figs, durians (Durio zibethinus and D. graveolens), [29] leaves, seeds, bird eggs, flowers, sap, vines, [30] honey, fungi, spider webs, [30] insects, and, to a lesser extent than the Sumatran orangutan, bark.
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 ...
Date/Time Thumbnail Dimensions User Comment; current: 04:32, 18 November 2017: 1,435 × 541 (641 KB): Ypna: Increased brightness and contrast of Tapanuli orangutan to match other images
However, the discovery of a previously unknown orangutan population in Malaysian Borneo is reason to hope. Threats. Human actions have reduced orangutan habitats by more than 80% over the past 20 ...
"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 ...
English: Bornean orangutan (Pongo pygmaeus), Tanjung Putting National Park - like other great apes, such as chimpanzees, gorillas and humans, a female will usually have a baby (or two) with her, but males like to be alone - taken during a photo trip to Indonesia in 2018 - by Thomas Fuhrmann - see more pictures on www.snowmanstudios.de
The organization estimated there were around 104,700 Bornean orangutans at the time — a sharp decline from an estimated 288,500 animals in 1973. The numbers could drop to just 47,000 by 2025 ...
Borneo has own a wide variety of bird species. The geological history of Borneo is a major factor: long isolation of the island, broken during the last Ice age, when Borneo was connected to the continent of Asia, led to a combination of Asian and native species. There are about 420 species of birds and 37 are endemic to Borneo [4] [5]