The Ngogo conflict – The daily blog of behavioral and cognitive economics

These Chimps Began the Bloodiest ‘War’ on Record. No One Knows Why

Since 1995, scientists have tracked a huge group of chimpanzees living in the forests of Uganda. The sustained research, featured in the 2023 documentary “Chimp Empire,” has led to profound insights about our closest living relatives and, by extension, our own ancestors. In one line of research, the scientists studied deep bonds among male chimpanzees in the Ngogo group, named for a hill in the Kibale National Park where they live. The males spend years hunting together and patrolling the boundaries of their range. The female Ngogo chimps, scientists discovered, may experience menopause, never previously documented in primates aside from humans. ….[READ]