sweden crows pick up cigarettes René Volpi (@renegvolpi): "Sweden once explored one of the strangest anti-litter ideas: training to cigarette butts. In Södertälje, near Stockholm, a startup called Corvid Cleaning designed a machine that Wild crows trained to pick

Wild crows trained to pick up cigarette butts in Swedish street cleaning project A Swedish company called Corvid Cleaning is training wild crows in the city of Sdertlje to collect cigarette butts in exchange for food rewards. The project uses a specially designed machine that Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds Swedish Startup Trains Crow to Pick Up Litter in Exchange for Food Crows trained to clean up cigarette butts on Swedish streets National

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