Unexpected ethanol levels in wild chimpanzee diets

A chimpanzee at Ngogo in Uganda's Kibale National Park in 2018, surrounded by one of their favorite foods — figs. Photo credit: Aleksey Maro/UC Berkeley

The first-ever measurements of ethanol content in fruits available to wild chimpanzees, conducted by Robert Dudley and IB graduate student Aleksey Maro, suggest that these animals may routinely ingest the equivalent of over two standard alcoholic drinks daily. Read the full Berkeley News article here