sweden crow cigarette Crows trained to clean up butts on Swedish streets Rumor that city in Sweden

Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Watch: Wild crows trained to clear cigarette butts from streets in Stockholm, Sweden In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up cigarette butts. The birds drop the waste into a special machine and receive a Crows trained to clean up cigarette butts in Sweden Reuters

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