Lemurs Get High on Millipede Toxins? The Strange Behavior That Fascinates Scientists

Deep in the forests of Madagascar, scientists have observed a bizarre behavior that almost looks like something out of a wildlife documentary fantasy: lemurs deliberately rubbing toxic millipedes on their bodies—and even chewing them.This unusual interaction between lemurs and millipedes has puzzled researchers for years and reveals a fascinating survival strategy in the animal kingdom.

The strange ritual of the ring-tailed lemur

One of the species known for this behavior is the Ring‑tailed Lemur. Researchers have watched these primates carefully pick up certain millipedes, chew them slightly, and then rub the secretions over their fur.
At first glance, it might look like the animal is playing with its prey. But scientists now believe the lemurs are actually using the millipede’s chemical defenses for a very specific purpose.

A natural insect repellent

Millipedes produce toxic chemicals when threatened. One well-known species involved in this behavior is the African Giant Millipede.These creatures release compounds that can irritate predators, including chemicals related to Cyanide in small amounts.When lemurs rub the secretions into their fur, the chemicals act as a natural insect repellent, helping protect them from parasites such as mosquitoes and ticks.

A surprising side effect

Researchers have noticed something even stranger. After chewing the millipedes, some lemurs appear temporarily dazed or unusually relaxed.
Scientists think the toxins may create a mild intoxicating effect, which is why some people describe the behavior as lemurs “getting high.” However, the primary benefit is still believed to be parasite protection.

This behavior is a fascinating example of animals using environmental resources as a kind of natural medicine.
It also shows how complex animal behavior can be in ecosystems like the forests of Madagascar, where many species have evolved unique survival strategies.
The more researchers study animals like lemurs, the more they discover that nature often has solutions to problems long before humans even begin to understand them.