sweden crows cigarettes trained to clean up cigarette butts on Swedish streets Wild crows collect cigarette butts

Wild crows collect cigarette butts in Sweden for food rewards In a city near Stockholm, wild crows are being trained to become street cleaners and it's turning heads around the world. A Swedish startup called Corvid Cleaning built a machine that Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds 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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