A new species-yet to be formally described-has been reported from orangutans ( " Pongo pygmaeus " ) in Indonesia.
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Yesterday, Antara also reported that forest fires had forced many orangutans ( Pongo Pygmaeus ) to seek safer habitats in settlements near the Kutai National Park.
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Bornean orangutans ( " Pongo pygmaeus " ) exhibited aggression in almost 90 percent of their copulations, including when the females were not resisting.
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Karsono, chief of the Balikpapan Orangutan Society, said the orangutans ( Pongo pygmaeus ) would be set free in the virgin jungle near Mount Meratus, 160 kilometers north of here.
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Two species of orangutans, " Pongo pygmaeus " ( Borneo orangutans ) and " Pongo abelii " ( Sumatran orangutans ) are listed in the IUCN red list.
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Separately, Antara reported Saturday that the Wanariset Sembodja orangutan rehabilitation center on the outskirts of Samarinda has secured 70 orangutans ( pongo pygmaeus ) who have fled the forest seeking safety from the fires.
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The park was established primarily for the protection of the Bornean orangutan ( " Pongo pygmaeus " ), and its formation was instigated and aided by the efforts of Dr . Birute Galdikas and the Orangutan Foundation International.
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Once a diverse lineage of Eurasian apes, it is now represented by two species of orangutans, the Sumatran orangutan ( " Pongo abelii " ), and the Bornean orangutan ( " Pongo pygmaeus " ).
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One study that examined the understanding of intention in orangutans ( " Pongo pygmaeus " ), chimpanzees ( " Pan troglodytes " ) and children showed that all three species understood the difference between accidental and intentional acts.
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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.
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