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

Crows trained to clean up cigarette butts in Sweden YouTube In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid Cleaning trained wild crows to collect cigarette butts from the streets 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, 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

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