Orangutan observed treating wound using medicinal plant in world first

CNN —

Scientists working in Indonesia have observed an orangutan intentionally treating a wound on their face with a medicinal plant, the first time this behavior has been documented.

Rakus, a male Sumatran orangutan, treated a wound on his face by chewing leaves from a climbing plant named Akar Kuning and repeatedly applying the juice to it, according to a paper published in the journal Scientific Reports on Thursday.

Rakus then covered the wound with the chewed up leaves, which are used in traditional medicine to treat illnesses like dysentery, diabetes and malaria, said scientists.

Study lead author Isabelle Laumer, a post-doctoral researcher at the Max Planck Institute of Animal Behavior, told CNN that the team were “very excited” by their observations, which took place in June 2022 in the Suaq Balimbing research area in Gunung Leuser National Park, Indonesia.

Although other wild primate species are known to swallow, chew or rub themselves with plants that have medicinal properties, scientists have never seen them used to treat recent wounds.

Rakus treated his wound in a process that took several minutes, researchers said.

The team believe that Rakus intentionally used the plant to treat his wound as he applied it repeatedly in a process that researchers say took several minutes.

“This possibly innovative behavior presents the first report of active wound management with a biological active plant in a great ape species,” she said.

This photo shows a chimpanzee female, Roxy, applying an insect to a wound on the face of an adult chimpanzee male named Thea.

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Researchers believe that Rakus most likely sustained the