Chimpanzees and bonobos structure their social relationships in similar ways to humans, according to a new international study led by researchers from Utrecht University and Universidad Carlos III de ...

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 ...

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 ...

Like people, nonhuman primates live in groups that vary in size and shape depending on the species. Some primate groups are small and simple; others are large and more layered. Over the decades, ...

The Primate Myth: Why the Latest Science Leads Us to a New Theory of Human Nature, by Jonathan Leaf (Bombardier, 320 pp., $21) Ever since Darwin, biologists have believed that much could be learned ...

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.