crows picking up cigarettes Swedish Company Trains to Clean Cigarette Butts Trained crows keep a French

Trained crows keep a French Theme Park litter free CGTN The Guardian Crows are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost cutting drive. The wild birds carry Crows trained to clean up cigarette butts in Sweden YouTube Crows Could Be Trained To Clear Up Cigarette Butts From The Streets IFLScience In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%.

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