crows cleaning up cigarettes A Swedish company has been training to pick cigarette butts in an effort to reduce the cost of litter off the streets in Södertälje, near Stockholm., Corvid Cleaning has developed a Crows trained to clean up

Crows trained to clean up cigarette butts on Swedish streets National Butts for nuts: can crows do our dirty work (and should they)? Wild crows trained to pick up cigarette butts in Swedish street cleaning project In Sweden, innovation took a wild turn literally , A startup called Corvid Cleaning began training crows to clean the streets by picking up cigarette butts the most common form of litter in the 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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