Self-medication by African Elephants

Why in News?

A recent study demonstrated that African elephants (Loxodonta africana) in Kenya's Mount Elgon region systematically engage in zoopharmacognosy (animal self-medication).

Key Behavioral Discoveries

• Researchers cataloged the elephants utilizing 35 different plant species, with 25 having documented medicinal properties used in local indigenous human herbalism (such as treating gastrointestinal parasites, inflammation, and fatigue).
• This discovery expands the known boundary of intentional, multi-botanical self-medication beyond great apes to include wild megaherbivores.
• Remedy Preparation for Calves- Adult female elephants extract specific roots and leaves, such as Angurweet (a plant traditionally used for stomach discomfort), chew them into a pulp with their own milk, and administer the mixture directly to unwell calves.
• This represents one of the rare recorded cases of allochthonous self-medication (a parent actively preparing and administering a botanical remedy to offspring).
• Elephants consume these specific plants in small, controlled quantities or after making targeted detours when exhibiting signs of lethargy, digestive distress, or physical injury.

Significance

• Proves that complex herbal knowledge and self-treatment behaviors are not restricted to primates, highlighting higher cognitive function, spatial memory, and cultural transmission among elephant herds.
• The study reinforces the One Health model, showing how human, animal, and ecosystem health are deeply interconnected.
• Chemical analysis of the plants selected by elephants offers promising avenues for novel bioprospecting and drug discovery.
• The research relied on collaborative tracking with local indigenous experts (such as the Sabaot community of Mount Elgon), illustrating how indigenous oral histories and modern scientific field research mutually validate one another.

Reference

The Hindu | African elephants self-medicate too