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

Swedish Company Trains Crows to Pick Up Cigarette Butts Watch: Crows trained to collect cigarette butts in French theme park Wild crows trade cigarette butts for peanuts to keep Swedish streets clean National Post Crows trained to clean up cigarette butts on Swedish streets National Good birdie! This box trains crows to collect cigarette butts for cleaner cities Digital Trends

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