sweden crow cigarette Wild crows trained to pick up butts in Swedish street cleaning project Wild crows in Sweden are

Wild crows in Sweden are helping keep public spaces clean by doing something remarkable. Using their advanced problem solving skills, the birds have learned to drop cigarette butts into a special machine that In Sweden, innovation took a wild turn literally , A startup called Corvid Cleaning began training crows to clean the streets by picking up cigarette butts the most common form of litter in the Crows trained to pick up cigarette butts in Sweden YouTube Wild crows collect cigarette butts in Sweden for food rewards Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch

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