Corvos podem contar até o número quatro fazendo sons, diz estudo

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[{"selector":"#anim-81ce3f3b-00c4-4496-b558-c4bd3d356ce4","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-17591c89-1ba4-4a6c-93fb-08fda8b9fc83","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-1ae31d8c-69ef-4121-a5a4-6bf3194b5b2d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a69b8998-3a29-4a5e-aa7c-50357c6daef8","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-be97c349-6719-4cea-a6fc-f76f09731aac","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-4e8648ea-2d21-485b-89ad-02536f27f0e8 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-22.034635302835508%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Corvos, os onipresentes pássaros urbanos, podem contar vocalmente até quatro, segundo uma recente pesquisa foto/divulgação

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[{"selector":"#anim-acdf1539-46d6-481d-9263-409ef4e619f9","keyframes":{"transform":["translate3d(-115.98746%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-317dcd48-f63b-4342-ad9c-de63553e6367","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0bd95071-9869-4684-a2e6-5bff868f2f51","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-01d9b098-5441-43cd-8710-81e71abbb915","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-60ffc075-33a4-4d26-a185-081903659b6d","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-96e0a64c-d92d-4af7-a6a3-68b8e6dc4837","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d8332154-faf1-4014-abe0-c6bf452f76ab [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-42.910416553347495%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] A descoberta é do estudo liderado por uma equipe de pesquisadores do laboratório de fisiologia animal da Universidade de Tübingen, na Alemanha norbert kuzhka/getty images

[{"selector":"#anim-f246df52-55cf-47f9-beab-47ad61c89649","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-71dd4ea7-d260-43ab-928c-eae3ac2d6284","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-497df294-ae74-4bb1-8ba3-bf67a7d1358a","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-d552ebda-8e7a-417f-8a8a-2cc11fcab1a7","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-c8c8bd62-10be-4771-aac5-c8a054a77354","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c070432d-849f-476c-abb8-7483dc64fc27 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-32.14285703450069%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] A maneira como os pássaros reconhecem e reagem aos números é semelhante a um processo que nós, humanos, usamos foto/getty images

[{"selector":"#anim-7c773f9f-bff1-487e-96b3-6de431eff66e","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-e692ee0b-5a86-489a-a38c-8490321d3c82","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-60766934-fdd7-4878-a702-797695d1a15e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c5d5d468-0bb9-4788-b0bd-8ea46e996d7a","keyframes":{"transform":["translate3d(-115.67398%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b1873aa4-b942-4e16-96ad-0558354e7e3a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7556c67f-57c9-4ebe-b4d3-f482af9dff2e","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-9188e5fb-b849-48d2-bbcf-d1424eb97437 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(14.230794243430651%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] As descobertas, publicadas em maio na revista Science , aprofundam nossa compreensão crescente da inteligência dos corvos foto./divulgação

CNNBRASIL.COM.BR

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