crow cigarette cleaning CROWS Clean Up City Streets by Collecting Butts Sweden’s Corvid Cleaning tested an

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 In Sweden, a startup called Corvid Cleaning tested a pilot machine designed to train crows to collect cigarette butts and exchange them for small food rewards. Corvids: the bird family that includes Sweden's Crow Litter Cleanup Initiative Raises Ecological Concerns Mtware Laban posted on the topic LinkedIn 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

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