france crows cigarettes theme park in uses trained to pick up trash like cigarette butts. The birds get a small food treat every time they put trash into a special box. Smartest cleanup The crows trained to clean

The crows trained to clean up cigarette butts Clever crows trained to pick up litter at French theme park Trained crows keep a French Theme Park litter free CGTN In France, some crows have been trained to pick up cigarette butts on the street. The crows pick up cigarette butts and put them into a machine, where they receive food as a reward. French theme park training crows to clean up trash, cigarette butts Fox News

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