crows picking up cigarettes No Butts About It: Cleaning at a French Theme Park Sweden’s Genius Experiment: Crows Trained

Swedens Genius Experiment: Crows Trained to Clean Up Cigarette Butts?! 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%. Sweden trains crows to pick up butts Travel Blog TravelGumbo Crows pick up cigarette butts: Dutch startup training birds to pick up litter for food TomoNews A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting

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