Two male chimpanzees eating the plum-like fruit of the evergreen Parinari excelsa tree at Taï National Park in the Ivory Coast in 2021. Credit: Aleksey Maro/UC Berkeley and Taï Chimpanzee Project ========================================================================= 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. While...