sweden crow cigarette Swedish Company Trains Crows to Pick Up Butts A project in Sweden is

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 When Birds Help Clean The City In Sweden, researchers and innovators have experimented with training wild crows to collect discarded cigarette butts in exchange for food rewards. using simple learning mechanisms, the 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 Watch: Wild crows trained to clear cigarette butts from streets in Stockholm, Sweden

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