An orangutan has been seen treating a wound using a plant with known pain-relieving properties, marking the first known instance of a wild animal deliberately tending to its injuries with medicine.

They believe he was injured fighting with rival male orangutans because he made loud cries called "long calls" in the days before they saw the wound. The team then saw Rakus chewing the stem and ...

They provide medical treatment and urgent care for sick or injured orangutans and raise orphaned babies whose mothers have been killed. Local caregivers become surrogate parents, with round-the ...