Scientists have been observing a male Sumatran orangutan named Rakus ... have been seen healing themselves, with orangutans' chimpanzee relatives eating specific leaves to get rid of intestinal ...

The “people of the forest” won’t live in the wild much longer if we keep chopping down their rainforest homes.

A male Sumatran orangutan named Rakus was observed by German ... "Orangutans at the site rarely eat the plant. However, individuals may accidentally touch their wounds while feeding on this ...

These native forests are home—the only home—for the arboreal Sumatran orangutan. During the process in which land is cleared for palm oil plantations, orangutans are either displaced to lower quality ...

“Sometimes I feel like I’ve chosen the most difficult thing in the world to study,” Cheryl Knott tells me as we sit beneath the rain forest canopy at her orangutan research station in ...

Orangutans that live in Sumatra usually make their nests in palm forests. But one day in 2014, Panut Hadisiswoyo caught sight of an orangutan riding around the streets of Medan, the island’s ...

But the judge did order an investigation as to Sandra's captivity conditions and if she is a victim of ill-treatment under the 1954 animal protection bill. Sandra, a 20-year Sumatran orangutan ...