Wild orangutans use medicinal plants to sooth joint and muscle inflammation. The apes chew leaves of the Dracaena cantleyi plant to create a white lather, which they then rub onto their bodies. Local indigenous people also use the plant for the same purpose.

Orangutans Use Plant Extracts to Treat Pain

Medicine is not exclusively a human invention. Many other animals, from insects to birds to nonhuman primates, have been known to self-medicate with plants and minerals for infections and other conditions. Behavioral ecologist Helen Morrogh-Bernard of the Borneo Nature Foundation has spent decades studying the island’s orangutans and says she has now found evidence they use plants in a previously unseen medicinal way.

During more than 20,000 hours of formal observation, Morrogh-Bernard and her colleagues watched 10 orangutans occasionally chew a particular plant (which is not part of their diet) into a foamy lather and then rub it into their fur. The apes spent up to 45 minutes at a time massaging the concoction onto their upper arms or… Continue Reading (2 minute read)