sweden crows cigarettes trained to clean up cigarette butts on Swedish streets 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 A Swedish startup is training wild crows to pick up cigarette butts in exchange for snacks saving cities money and cleaning streets naturally., #Innovation #Sustainability #SmartCities #Wildlife Butts for nuts: can crows do our dirty work (and should they)? 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 Wild crows collect cigarette butts in Sweden for food rewards

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