crows picking up cigarettes Swedish Company Trains to Clean Cigarette Butts Sweden startup is teaching crows

Sweden startup is teaching crows to clean up cigarette butts after stupid humans A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Birds in France trained to pick up cigarette butts in exchange for food indy100 Watch: Crows trained to collect cigarette butts in French theme park Butts for nuts: can crows do our dirty work (and should they)? Crows trained to clean up cigarette butts on Swedish streets National

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