crows collecting cigarettes Unbox Good birdie! This box trains

Good birdie! This box trains crows to collect cigarette butts for cleaner cities Digital Trends 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 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 The Swedish startup Corvid Cleaning trains crows to help keep streets clean. The birds collect cigarette butts and other small litter in exchange for food rewards. According to the startup, this system Watch: Crows trained to collect cigarette butts in French theme park

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