I’ve been “surrounded” by apes and monkeys for several weeks now as I read up on primate behavior as part of a UP course preparation for biological anthropology. This includes comparative studies of ...

Berkeley, California - Chimpanzees consume the equivalent of at least one alcoholic drink per day as they eat ripe, fermenting fruit, says a new study that addresses one possible reason why humans are ...

Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This ...

Researchers collected and analyzed urine from chimpanzees in a Ugandan forest after they'd eaten fermented fruit to determine how much alcohol they'd consumed. (Sharifah Namaganda) For 11 days in late ...

For 11 days in late summer 2025, Aleksey Maro found himself in the Ugandan rainforest, doing whatever he could to collect chimpanzee urine. "The most consistent, predictable time is in the morning.

Scientists analyzed the urine of wild chimpanzees who'd feasted on fallen fruit to see how much alcohol they consumed from the fermented sugars. Chimps' taste for fermented fruit hints at the origins ...