sweden crows cigarettes Butts for nuts: can do our dirty work (and should they)? Wild crows in sweden trained

Wild crows in sweden trained themselves to exchange cigarette butts for food, using machine deisgned YouTube Sweden uses crows to pick up cigarette butts Swedish Company Trains Crows to Pick Up Cigarette Butts Swedish firm deploys crows to pick up cigarette butts Birds The Guardian Cigarette butts make up more than 60 percent of all street litter in Sweden, and cities spend millions of kronor every year cleaning them up. One Swedish startup looked at that problem Sweden ran a pilot program in 2022 training wild crows to collect discarded cigarette butts from city streets and deposit them into automated machines that dispensed food rewards. The startup behind the

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