crows collecting cigarettes Butts for nuts: can do our dirty work (and should they)? Sweden uses crows to pick

Sweden uses crows to pick up cigarette butts 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 In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle These birds 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 crows carry out the task Rubbish collecting crows a star attraction at French theme park Arab News 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

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