Study Reveals That Wild Chimps Consume a Surprising Amount of Alcohol Every Day

Robert Saunders University of California - Berkley - SciTechDaily
Nov 28, 2025By Robert Saunders University of California - Berkley - SciTechDaily

A survey measuring the ethanol levels in fruits consumed by chimpanzees suggests that these animals are regularly exposed to alcohol.

Researchers from the University of California, Berkeley, conducted the first direct measurements of ethanol in fruits naturally available to chimpanzees across their African habitats. The findings suggest that the animals could ingest the equivalent of more than two standard alcoholic drinks per day through their fruit-based diet.

In the U.S., a “standard drink” contains 14 grams of ethanol, regardless of the drinker’s size, while in much of Europe, the standard measurement is 10 grams.

However, across all sites studied, male and female chimpanzees are consuming...

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