“Orangutans at the site rarely eat the plant. However ... Researchers in Indonesia documented a male Sumatran orangutan with ...

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 ...

A Sumatran orangutan in Indonesia has self-medicated using a paste made from plants to heal a large wound on his cheek, say scientists. It is the first time a creature in the wild has been ...

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 ...