Chimp off the old block! Spider monkeys regularly eat fruit containing ALCOHOL, study finds - shedding light on why we have a taste for booze

The ground work, to find proof of drunk monkeys, was led by primatologist Christina Campbell of California State University, Northridge (CSUN), and her graduate student Victoria Weaver, who collected fruit eaten and discarded by the monkeys.

https://www.dailymail.co.uk/sciencetech/article-10673517/Monkeys-seek-fruit-ripe-turned-alcohol-study-finds.html

Daily Mail, United Kingdom