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Aug 2, 2022

Sonso Chimpanzees in Uganda began using a new method to drink water pooled in logs, 'moss-sponging.' Previously known to use balled-up leaves, the chimps began using this new technique with moss, researchers believe, because it is more effective at getting water into their mouths.

But then, the technique spread to a neighboring community of chimps, leading researchers to believe that this is evidence of cultural evolution in chimpanzees, a behavior previously only thought to exist in humans. Researchers published their findings in a study in Proceedings of the Royal Society B: Biological Sciences back in 2018.

This edition of Mongabay Reports is based on the popular article, Tool innovation shows cultural evolution at work among chimpanzees, by Nina Finley. 

To also read & share the story, go here: https://news.mongabay.com/2019/02/tool-innovation-shows-cultural-evolution-at-work-among-chimpanzees/

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Photo Credit: Karibu, a member of the Sonso chimpanzee community in Uganda, uses a moss-sponge she made to sip water from a small rainwater pool. Scientists say the recent emergence and spread of this socially learned behavior is evidence of cultural evolution in chimpanzees. Image by Cat Hobaiter

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