sweden crows cigarettes Swedish Company Trains to Clean Up Cigarette Butts Sweden startup is teaching crows

Sweden startup is teaching crows to clean up cigarette butts after stupid humans 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 Crows 'Paid' to Pick Up Cigarette Litter in Sweden Unbox Sweden has begun training wild crows to collect litter especially cigarette butts in exchange for food rewards. A special machine recognizes when a crow drops a piece of

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