Scientists Find That Certain Animals Also Clean Themselves After Defecation
Chimpanzees Exhibit Post-Poop Cleanliness, Astonishing Researchers
In an unexpected development regarding animal behavior, researchers have found that humans aren’t the only species practicing post-defecation cleanliness. A recent study in Uganda’s Budongo Forest has uncovered that eastern chimpanzees often clean themselves after defecating — and occasionally assist one another in this process.
This finding emerges from a wider exploration of chimpanzee hygiene and self-care habits, such as wound care and social grooming. The results, published in the journal Frontiers in Ecology and Evolution, provide new perspectives on the intricacies of chimpanzee social interactions and their striking parallels to human behavior.
Chimpanzees Utilize Foliage for Cleaning
Investigators monitored two groups of wild eastern chimpanzees and recorded numerous examples of the animals using foliage to clean their anogenital regions post-defecation. In certain situations, chimps were observed tidying up their genital area after mating, indicating a degree of personal hygiene once believed to be exclusive to humans.
Even more intriguing, the study documented instances of cooperative hygiene — where one chimpanzee assisted another in cleaning up. This act hints at a degree of empathy and social connection that exceeds mere grooming.
Dr. Elodie Freymann, the primary author of the study, stated, “These actions are not solely about cleanliness. They illustrate that chimpanzees tend to themselves and each other in ways that reflect emotional awareness and social obligation.”
Healing with Natural Remedies
The research also indicated that chimpanzees treat wounds with natural materials. They were seen using leaves to dab injuries, applying chewed plant material, and even employing their fingers or tongues for cleaning wounds. In some instances, the plants utilized are recognized for their medicinal properties, suggesting that chimps might possess an instinctive grasp of natural healing methods.
This behavior supports earlier studies that show chimpanzees engage in self-medication. It further contributes to the accumulating evidence that non-human primates have a refined understanding of their surroundings and how to leverage it for their health and wellness.
A New Angle on Chimpanzee Behavior
Media portrayals often depict chimpanzees as hostile or erratic, but this research brings to light their caring and empathetic nature. The hygiene and nurturing behaviors observed challenge long-established beliefs regarding the exclusivity of human social customs.
“These discoveries remind us that the origins of empathy, collaboration, and self-care run deep within our evolutionary past,” commented Dr. Freymann. “Chimpanzees are not only our closest genetic relatives — they also possess many of the social and emotional characteristics we value in ourselves.”
Repercussions for Evolutionary Science
The revelation that chimpanzees clean up after themselves and look after each other’s hygiene carries significant implications for our understanding of human evolution. It suggests that the roots of personal hygiene and caregiving could have developed well before the rise of modern humans.
As researchers persist in exploring primate behavior, they aim to unlock more insights into how early hominins may have lived, interacted, and cared for one another. This knowledge could bridge the gaps in our evolutionary narrative and enhance our appreciation for the intellect and emotional richness of our primate relatives.
Looking Forward
With progress in technology and artificial intelligence, scientists are currently investigating ways to improve communication with animals. Some researchers believe that AI might someday facilitate understanding of animal languages and even allow for basic conversations with other species.
Until such advancements occur, studies like this one continue to illuminate the surprising parallels between animal actions and human behavior — from tool use and problem-solving to exhibiting empathy and, indeed, even cleaning up after a visit to the bathroom.
So next time you grab a roll of toilet paper, keep in mind: you aren’t alone. Somewhere within the forests of Uganda, a chimpanzee could be doing precisely the same thing — with a leaf.
Sources:
– Freymann, E. et al. (2025). “Hygiene and Wound Treatment Behaviors in Wild Eastern Chimpanzees.” Frontiers in Ecology and Evolution.
– BBC Wildlife. “Scientists Film Chimps Wiping Their Bottoms.” Discover Wildlife.