Como humanos, chimpanzés também gostam de seguir tendências

[{"selector":"#anim-446f576a-cd24-4371-afed-fd9a417177e7","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-46ae5fa3-634a-4c50-ab8e-5162fde118ea","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6d8f61f3-7d3f-41bb-9e77-a0cdc0765de8","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-d5de2413-d9c7-47fd-a33c-4e5b0c411d38","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Instagram/Chimfunshi Wildlife Orphanage

[{"selector":"#anim-35ea301d-b832-4083-8c73-7434215f8efe","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-10d33661-286e-45fa-b960-3a81cae7dba1","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5f8ebf14-8f21-4949-ab09-59b606279d41","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-3dce3d86-6241-4651-909f-3a90736b8493","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-dc449438-f67e-41de-8c13-62f95bb842ac [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-38.31568870258863%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Chimpanzés que vivem em um santuário na África desenvolveram uma “tendência fashion” de pendurar lâminas de grama ou gravetos nos orifícios das orelhas e nas nádegas, diz um novo estudo Jake Brooker/Chimfunshi Wildlife Orphanage Trust

[{"selector":"#anim-33efc065-3b7e-4b50-b0f3-faea53a84580","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-48c7ad9f-8213-45ec-839d-db52e87b809c","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6a786fe5-e89d-40b9-bed8-e0e4f985a78d","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-e58a39fe-dcfe-40b3-b64a-c633acfbeff6","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Jake Brooker/Chimfunshi Wildlife Orphanage Trust Em 2010, pesquisadores que trabalhavam no santuário da espécie Chimfunshi Wildlife Orphanage Trust observaram uma fêmea que começou a pendurar objetos na orelha, e o comportamento logo foi copiado por outros membros do grupo

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[{"selector":"#anim-4b6c5d50-ac0d-4141-a33c-01150d7be420","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-52044f33-d593-4317-a245-69b3be99cf22","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1e751632-673f-4b3d-a032-a324bb93a239","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-0f75f35c-4c14-457f-8993-e8d54840cfae","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Curiosamente, chimpanzés de outro grupo no mesmo santuário começaram a demonstrar o mesmo comportamento mais de uma década depois, com alguns também inserindo objetos no reto Instagram/Chimfunshi Wildlife Orphanage

[{"selector":"#anim-96a3b6a6-ab05-41e9-b17c-7836ba0cb517","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a9c9e3a5-59cc-4d45-9089-b321b7c82d1b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ee3ec107-0911-4bbd-bbf8-e0228a0aed1f","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-a35c4ef7-089e-495e-9d90-cd00da29740e","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Como esse segundo grupo vivia a cerca de 14 quilômetros de distância do primeiro, não havia como eles terem copiado o comportamento diretamente, o que levou Van Leeuwen a investigar se os cuidadores dos chimpanzés poderiam ter influenciado o hábito Instagram/Chimfunshi Wildlife Orphanage

[{"selector":"#anim-cd755862-50d2-4391-bbfd-b30209d24e23","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-91118134-dee7-4fe2-9f0b-6645e6f9a00b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2b51ae0e-8346-4820-8e52-1ef7876d6bc8","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-418782dc-3664-4bdf-bd83-2d17dd442aad","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Acontece que os funcionários de uma área da reserva haviam desenvolvido o hábito de limpar os ouvidos com palitos de fósforo ou galhos finos, enquanto os da outra área não faziam isso Instagram/Chimfunshi Wildlife Orphanage

[{"selector":"#anim-99036a26-6fc4-487f-93e4-b1ad6a62c171","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d71fda8b-6483-4222-847a-64474e03372d","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7ece2193-6c46-4f53-9540-fe402d69fddb","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-bb3b77c1-cfcb-428f-a01d-0441fed75667","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Van Leeuwen acredita que o comportamento foi aprendido pelos chimpanzés com os cuidadores da primeira área e, depois, transmitido para outros membros do grupo Instagram/Chimfunshi Wildlife Orphanage

[{"selector":"#anim-6dfb2917-4adb-4590-8323-0cdae782b515","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6ff4b607-2907-4081-9fe2-690b45da23f2","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b03a83ff-56e4-4b92-aed8-419a4a778c06","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-f7f969b1-12ec-40f7-9aa2-c7d8e790d635","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Mais tarde, os cuidadores que passaram a trabalhar com o segundo grupo também influenciaram os animais dali, que acabaram desenvolvendo o mesmo comportamento Instagram/Chimfunshi Wildlife Orphanage

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[{"selector":"#anim-0f59bc97-ffec-4fea-a9b1-8a69859f733a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ee1457c1-74bb-4778-b6c3-4661a839644a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-91fe45b1-400f-4437-9ad9-a8b6e9d3e74f","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e569c1d4-2fe6-4d2a-8dd9-a299494f19e1","keyframes":{"transform":["translate3d(0px, 2088.88644%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d181ec57-93bb-4473-a336-f8c9ae082f90","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6fe07848-ef24-40ab-a02f-cc1250741f14","keyframes":{"transform":["translate3d(-117.84387%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a0f4a2b7-b66f-4b53-bfbd-5f4c19046bd5","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5135fa25-232e-44d5-b5aa-1f10d36b1960","keyframes":{"transform":["translate3d(0px, 1223.93157%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-09f20f53-07b6-4f83-a6cd-5fd3afb23c2b [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(28.860789206235893%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] leia mais em Jake Brooker/Chimfunshi Wildlife Orphanage Trust