Ravens plan for fu­ture

The Guardian Weekly - - Discovery -

Sci­en­tists from Swe­den say ravens are able to think about the fu­ture, show­ing an abil­ity doc­u­mented only in peo­ple and great apes. Re­searchers Can Kaba­dayi and Mathias Os­vath, of Lund Univer­sity, tested five cap­tive ravens in two tasks they do not do in the wild: us­ing tools and bar­ter­ing with hu­mans. The ravens showed they could plan by set­ting aside a tool that they sus­pected would get them a tasty treat later. They also pre­pared for fu­ture bar­ter­ing.

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