Grass-in-ear behavior
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The grass-in-ear behavior, object-in-ear behavior[1] or grass-in-the-ear technique[2] is a fashion statement-like behavior that some chimpanzees do. The unusual behavior has been named by scientists, and it appears to be one of the first times that chimpanzees have created a tradition that has no discernible purpose.[3]
History
It was first documented in 2010 in the Zambian Chimfunshi Wildlife Orphanage sanctuary's grassy territory when a chimpanzee named Julie stuck a piece of grass into her ear, and left it there.[4][5] But after Julie did it, other chimpanzees in her group began to follow suit.[6] According to experts, this proves that chimpanzees have already taken the evolutionary journey towards the advanced apes like humans.
Relationship between chimpanzees and grasses
Chimpanzees use grass as a tool when they are ant fishing to extract carpenter ants from their nests in living trees or dead wood.[7]
References
- ^ "Julie the inventor performing the grass-in-ear behaviour".
{{cite web}}:|archive-date=requires|archive-url=(help) - ^ ""Grass-in-the-ear" technique sets new trend in chimp etiquette". www.springer.com. Retrieved 2022-12-30.
- ^ "For The First Time, Chimpanzees Are Making A Fashion Statement -- Sticking Blades Of Grass In Their Ears". The Dodo. Retrieved 2022-12-30.
- ^ Inquiry, The New (2014-06-30). ""grass-in-ear behavior"". The New Inquiry. Retrieved 2022-12-30.
- ^ whyevolutionistrue (2014-07-03). "Chimps learn to stick grass in their ears—for no good reason". Why Evolution Is True. Retrieved 2022-12-30.
- ^ Magazine, Smithsonian; Main, Douglas. "Some Chimps Are Putting Grass in Their Ears For No Particular Reason". Smithsonian Magazine. Retrieved 2022-12-30.
- ^ "The Great Chimp Tech Boom". NBC News. Retrieved 2022-12-30.
Category:Behavior Category:Chimpanzees Category:Fashion Category:Grasses