crows cigarette butts In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid Cleaning trained wild to collect from the streets Good birdie! This box trains

Good birdie! This box trains crows to collect cigarette butts for cleaner cities Digital Trends Six crows were trained to collect the butts thrown on the ground in France. Crows throw the cigarette butts they collect on the street into a machine and buy food from the machine as a reward. Crows trained to clean up cigarette butts in Sweden Reuters dutch start up crowded cities wants to train crows to pick up cigarette butts CROWS Clean Up City Streets by Collecting Cigarette Butts Recycling Council of Alberta

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