sweden crow cigarette Crows trained to clean up butts on Swedish streets A project in Sweden is

A project in Sweden is training crows to help clean the streets by collecting discarded cigarette butts. The system uses a machine that rewards the birds with food when they drop cigarette Crows trained to clean up cigarette butts in Sweden YouTube Crows 'Paid' to Pick Up Cigarette Litter in Sweden A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid Cleaning trained wild crows to collect cigarette butts from the streets

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