sweden crow cigarette deploys 'easy to teach' CROWS to pick up butts on city streets Wild crows trained to pick

Wild crows trained to pick up cigarette butts in Swedish street cleaning project Swedens Corvid Cleaning tested an ingenious vending machine that trained wild crows to clean up streets! , When crows dropped discarded cigarette butts into the device, it scanned the litter and Sweden uses crows to pick up cigarette butts The Swedish have wild drone tech : r BirdsArentReal A Swedish startup tested smart machines that reward crows with food for collecting cigarette butts. The project, developed by Corvid Cleaning, focused on a small pilot in Sdertlje near Stockholm. The machines

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