crow cigarette cleaning Crows in Sweden help clean streets by exchanging trash for food Swedish firm deploys crows to

Swedish firm deploys crows to pick up cigarette butts Birds The Guardian Trained crows have slashed city cleaning costs by 75%. A Swedish startup named Corvid Cleaning launched a pilot program in Sdertlje, training wild crows to collect cigarette butts in exchange for food Sweden uses crows to pick up cigarette butts Sweden startup is teaching crows to clean up cigarette butts after stupid humans A Swedish company called Corvid Cleaning is training wild crows in the city of Sdertlje to collect cigarette butts in exchange for food rewards. The project uses a specially designed machine that Swedens Genius Experiment: Crows Trained to Clean Up Cigarette Butts?!

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