crow cigarette butts A Swedish startup called Corvid Cleaning has found a clever way to fight litter using wild crows. According to The Guardian, the company developed a device that rewards crows with food when Good birdie! This box trains

Good birdie! This box trains crows to collect cigarette butts for cleaner cities Digital Trends Crows pick up cigarette butts: Dutch startup training birds to pick up litter for food TomoNews Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch Crows trained to clean up cigarette butts in Sweden Reuters Watch: Crows trained to collect cigarette butts in French theme park

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