sweden crow cigarette A project in is training crows to help clean the streets by collecting discarded butts. The system uses a machine that rewards the birds with food when they drop cigarette Unbox - Sweden has begun

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 Sweden startup is teaching crows to clean up cigarette butts after stupid humans These birds 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 crows carry out the task as they receive some Wild crows in Sweden are helping keep public spaces clean by doing something remarkable. Using their advanced problem solving skills, the birds have learned to drop cigarette butts into a special machine that

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