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Wild Chimpanzees Filmed Sharing Alcoholic Fruits in Evolutionary First

University of Exeter researchers document wild chimps in Guinea-Bissau sharing naturally fermented fruit, shedding light on the evolutionary roots of alcohol use and social bonding.

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Chimps sharing fruit in Guinea-Bissau’s Cantanhez national park

Overview

  • Motion-activated cameras in Cantanhez National Park captured wild chimpanzees sharing fermented African breadfruit containing up to 0.61% alcohol by volume.
  • This marks the first documented evidence of non-human great apes sharing alcoholic foods in the wild, suggesting parallels with human feasting traditions.
  • Researchers propose that the behavior may foster social bonding, as alcohol consumption in humans is linked to dopamine and endorphin release.
  • The study raises questions about whether chimps deliberately seek ethanol-rich fruits and how their metabolism processes alcohol without causing intoxication.
  • Scientists suggest this behavior may represent early evolutionary stages of feasting, highlighting the deep roots of human convivial traditions.