crows collecting cigarettes In Sweden, Are Learning to Pick and Dispose of Cigarette Butts Properly Dutch Startup Wants to Train

Dutch Startup Wants to Train Crows to Clean Streets of Cigarette Butts Wild crows trained to pick up cigarette butts in Swedish street cleaning project In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up cigarette butts. The birds drop the waste into a special machine and receive a Crows trained to clean up cigarette butts in Sweden YouTube A project in Sweden is training crows to help clean the streets by collecting discarded cigarette butts. The system uses a machine that rewards the birds with food when they drop cigarette

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