crows picking up cigarettes Sweden startup is teaching to clean cigarette butts after stupid humans Latest Attraction at French Theme

Latest Attraction at French Theme Park: Crows That Pick Up Trash The New York Times 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 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 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 Clever Crows Pick up Cigarette Butts in Sweden in Exchange for Rewards

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