African elephants use 35 plant species for self-medication
African Elephants Use 35 Medicinal Plant Species to Treat Family Ailments, Study Finds
Wild African elephants consume 35 distinct plant species for self-medication and to treat sick family members, according to a study published in Scientific Reports. Conducted alongside local forest rangers and community elders in Kenya’s Mount Elgon region, the research documents behaviors among populations known for mining salt from caves with their tusks.
The Tech TL;DR:
Observed Behavior: Elephants select 35 different plant species from forest ecosystems, with local communities recognizing 25 of those species for active medicinal properties.
Targeted Treatments: Field observations recorded mothers preparing specific remedies—such as the stomach-ache treatment plant Angurweet—by chewing roots and leaves into a smooth paste to administer to calves.
Scientific Pipeline: Researchers from Brown University, the Mount Elgon Foundation, and the Bernhard Nocht Institute for Tropical Medicine are utilizing cameras and biological assays to track active compounds in these natural pharmacies.
Decoding Natural Pharmacopoeias in Mount Elgon Ecosystems
The research initiative focused on the forest ecosystems surrounding Mount Elgon, where researchers collaborated with the Mount Elgon Foundation to interview local residents, forest scouts, and community elders. By maintaining the anonymity of participants, the team gathered detailed accounts of animal behavior. Co-author Dr. Elodie Freymann of Brown University noted that the findings emphasize how closely human pharmaceutical resources intersect with non-human natural environments, raising questions regarding forest habitat destruction and the preservation of biodiversity.
Historical accounts stretching back to antiquity have documented similar observations. In the early third century, the Roman writer Claude Élien detailed an elephant feeding on olive oil and flowers to heal wounds inflicted by spears and arrows in De Natura Animalium. Modern field biology is applying systematic recording protocols to these observations. Dr. Fabien Schultz of the Bernhard Nocht Institute for Tropical Medicine in Hamburg noted that local ecological knowledge has provided a critical geographic map for tracking targeted plant selection during specific health crises.
Field Methodology and Behavioral Tracking Protocols
Documenting wild veterinary care requires observational frameworks to distinguish between routine foraging and intentional medicinal dosing. According to local scouts interviewed for the study, adult female elephants display preparation techniques when treating younger herd members. In one recorded instance, a scout observed an adult female chewing a plant locally known as Angurweet—utilized traditionally for gastrointestinal distress—into a smooth paste, occasionally mixing the crushed vegetation with her own milk before feeding it to a calf.
While primatologist Professor Michael Huffman of Nagasaki University characterized these accounts as fascinating, he emphasized that further evidence is needed to prove that elephants provide personalized medical care to their young. To meet this standard, the research collective has provided cameras to local wildlife experts to record these interactions. Concurrently, botanical samples are undergoing chemical screening to isolate active biological compounds that may yield novel pharmacological treatments.
Environmental Preservation and Data-Driven Conservation
As deforestation encroaches upon elephant habitats across Africa, the loss of these natural pharmacopoeias threatens both wildlife populations and human access to traditional medicines. Protecting these biological assets requires monitoring that can process multi-source inputs—from camera telemetry to botanical assay databases. Preserving these ecosystems ensures that ongoing ethnobotanical research can continue to map natural medicinal compounds before habitat fragmentation alters forest biodiversity.