“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 ...

Scientists have spotted an orangutan using medicinal plants to tend to its own wounds. A male Sumatran orangutan named Rakus was observed by German and Indonesian scientists chewing up the leaves ...

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 ...

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

The industrial demand for inexpensive, versatile palm oil has significantly increased within the past five years. The oil—which originates from the fruit of the tropical oil palm tree (Elaeis ...

Dr Peter Pratje from the Frankfurt Zoological Society has spent decades conserving the rare Sumatran orangutan. Here he describes his hopes and dreams for these critically endangered primates.

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 ...