sweden crows pick up cigarettes A Swedish company called Corvid Cleaning is training wild in the city of Södertälje to collect cigarette butts in exchange for food rewards. The project uses a specially designed machine that In Sweden, a surprising idea

In Sweden, a surprising idea is turning crows into allies in keeping cities clean. Instead of hiring crews to pick up cigarette butts, one of the most common types of litter, a Wild crows collect cigarette butts in Sweden for food rewards Cool idea, but is it possible? : r crows Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs

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