crow cigarette butts Crows trained to clean up on Swedish streets A project in Sweden is

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 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 Wild crows trade cigarette butts for peanuts to keep Swedish streets clean National Post Crows help to clean up cigarette butts in several countries Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch The Guardian Crows are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost cutting drive. The wild birds carry

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