crow cigarette cleaning Sweden’s Corvid tested an ingenious vending machine that trained wild crows to clean up streets! 🐦🚬, When crows dropped discarded butts into the device, it scanned the litter and Swedish Company Trains Crows to

Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Sweden uses crows to pick up cigarette butts

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