The short version
- A study identifies over thirty plant species used by elephants in Kenya, many of which have known medicinal properties according to local experts.
- Observers report mothers preparing plant mixtures for calves, though independent verification of these specific medical treatments remains limited.
- Researchers aim to analyze the biological activity of these plants, suggesting that protecting forest habitats may preserve valuable natural pharmaceutical resources.
New research suggests that wild African elephants in Kenya engage in self-medication by consuming specific plants when they or their family members are ill. The study, published in Scientific Reports, relies heavily on accounts from local wildlife scouts and community elders who live near the Mount Elgon region. These individuals reported observing elephants selecting more than thirty-five different plant species, with twenty-five of those recognized locally for their medicinal properties.
The elephants in this region are already known to scientists for their unique behavior of mining salt from cave walls to supplement their mineral intake. Camera traps operated by the Mount Elgon Foundation have documented this rock-scraping activity. The new findings extend this understanding of their dietary management, proposing that these animals also utilize the surrounding forest as a natural pharmacy to address health issues.
Local observers described detailed behaviors indicating intentional medical treatment. One wildlife scout recounted seeing elephant mothers process a plant known locally as Angurweet, which is traditionally used to treat stomach ailments. The scout reported that mothers would chew the leaves and roots until smooth, sometimes mixing the material with their own milk before offering it to calves. The young elephants were observed chewing on this mixture and spitting out the solid remnants.
While these accounts provide compelling anecdotal evidence, independent scientific verification remains incomplete. Professor Michael Huffman, a primatologist at Nagasaki University who was not involved in the study, described the reports as intriguing but noted that more rigorous data is required to confirm that elephants are providing bespoke medical care to their offspring. The distinction between general foraging and targeted medicinal use requires further empirical support.
To bridge this gap, the research team has begun equipping local experts with cameras to record elephant behavior in real-time. This collaborative approach aims to capture visual evidence of plant selection in specific health contexts. By combining traditional ecological knowledge with modern observational tools, scientists hope to validate whether certain plants are chosen specifically when animals appear unwell.
The study also highlights the potential for discovering new pharmaceutical compounds. Dr. Fabien Schultz from the Bernhard Nocht Institute for Tropical Medicine noted that local knowledge has provided a roadmap for further investigation. The team plans to analyze the biological activity of the plants identified by elephants, testing whether these species contain active ingredients that could be relevant to human medicine.
Historical records indicate that observations of animal self-medication are not new. Roman author Claudius Aelian described an elephant recovering from wounds after consuming olive tree flowers and oil in the third century. Modern science is now revisiting these ancient observations with more systematic methods, seeking to understand the evolutionary basis for such behaviors across various species.
The findings underscore the broader implications of habitat destruction. Dr. Elodie Freymann from Brown University emphasized that forests serve as critical repositories of medicinal resources for both wildlife and humans. Many modern pharmaceuticals are derived from compounds found in trees, fungi, and other organisms. Protecting these ecosystems may therefore preserve not only biodiversity but also potential future medical treatments.
As researchers continue to gather data, the study serves as a reminder of the complex relationships between animals and their environments. The integration of local expertise with scientific analysis offers a promising path forward for understanding wildlife health and conservation. Future work will focus on confirming the medicinal efficacy of the plants identified and documenting the specific contexts in which elephants use them.
The project illustrates how traditional knowledge can guide modern scientific inquiry. By respecting and incorporating the observations of those who live alongside these animals, researchers are uncovering behaviors that might otherwise go unnoticed. This approach not only advances our understanding of elephant biology but also highlights the importance of preserving the forests that support such intricate ecological interactions.
Sources behind this briefing
Go to the original reporting
- BBC News↗Elephants use medicinal plants to treat themselves, researchers find
