sweden crow cigarette A machine that trades food for litter : r/Amazing Crows 'Paid' to Pick Up

Crows 'Paid' to Pick Up Cigarette Litter in Sweden A project in Sweden is training crows to help clean the streets by collecting discarded cigarette butts. The system uses a machine that rewards the birds with food when they drop cigarette 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 Crows trained to clean up cigarette butts on Swedish streets National In Sweden, crows became street cleaners. A startup built vending machines that trade peanuts for cigarette butts. Wild crows discovered the deal and mastered it fastteaching each other the trick. Now they 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

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