sweden crows pick up cigarettes These birds are being recruited to discarded cigarette butts from the streets and squares of a Swedish city as part of a cost-cutting drive., The carry out the task as they receive some Butts for nuts: can crows

Butts for nuts: can crows do our dirty work (and should they)? 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 Watch: Wild crows trained to clear cigarette butts from streets in Stockholm, Sweden Swedish Crows Help Clean Up the Environment

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