sweden crow cigarette A machine that trades food for litter : r/Amazing

A project in Sweden is training crows to help clean the streets by collecting discarded cigarette butts. The system uses a machine that rewards the birds with food when they drop cigarette

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Sweden has begun training wild crows to collect litter — especially cigarette butts — in exchange for food rewards. A special machine recognizes when a crow drops a piece of trash inside

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Crows trained to clean up cigarette butts in Sweden

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In Sweden They Train Birds to Remove Cigarette Butts!

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Most cities hire people to pick up cigarette butts. Sweden hired crows. And they work for peanuts. Literally. A Swedish startup called Corvid Cleaning built a machine that rewards wild crows for

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In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid Cleaning trained wild crows to collect cigarette butts from the streets

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Watch: Wild crows trained to clear cigarette butts from streets in Stockholm, Sweden

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