crows collecting cigarettes Swedish Company Trains to Clean Up Cigarette Butts In Sweden, a startup tested

In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up cigarette butts. The birds drop the waste into a special machine and receive a Good birdie! This box trains crows to collect cigarette butts for cleaner cities Digital Trends Dutch Startup Wants to Train Crows to Clean Streets of Cigarette Butts This is crazy. What do you think? Sweden built machines where crows trade cigarette butts for food In Sweden, an innovative project is training crows to help clean city streets. Special A Swedish company has been training crows to pick up cigarette butts in an effort to reduce the cost of cleaning litter off the streets in Sdertlje, near Stockholm., Corvid Cleaning has developed a

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