crows cigarette butts Rumor that city in Sweden trained to pick up is for the birds René Volpi (@renegvolpi): "Sweden once

Ren Volpi (@renegvolpi): "Sweden once explored one of the strangest anti litter ideas: training crows to pick up cigarette butts. In Sdertlje, near Stockholm, a startup called Corvid Cleaning designed a machine that Crows trained to pick up cigarette butts in Sweden YouTube Cool idea, but is it possible? : r crows 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

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