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Chimpanzees Adopt Quirky Grass Behavior, Boost Social Bonds

7/10/2025

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Summary

Story summary

Chimpanzees at Zambia's Chimfunshi Wildlife Orphanage have taken to a curious new trend: inserting grass into their ears and rectums. This quirky behavior, observed since 2010, showcases their ability to learn socially and transmit culture, mirroring human practices. Researchers suggest this playful mimicry may enhance social bonds within their communities.

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Story summary

Chimpanzees at Zambia's Chimfunshi Wildlife Orphanage have taken to a curious new trend: inserting grass into their ears and rectums. This quirky behavior, observed since 2010, showcases their ability to learn socially and transmit culture, mirroring human practices. Researchers suggest this playful mimicry may enhance social bonds within their communities.