crow cigarette cleaning CROWS Clean Up City Streets by Collecting Butts Sweden's testing a literal crow-powered

Sweden's testing a literal crow powered cleaning machine A Swedish startup has trialed a vending machine style setup where crows can drop in cigarette butts and get food in return, basically training them Swedens Genius Experiment: Crows Trained to Clean Up Cigarette Butts?! 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 Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%. A Swedish startup, Corvid Cleaning, developed an innovative machine that rewards crows with food when they deposit cigarette butts into a collection slot. The system is based on reward based learning, a

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