crows collecting cigarettes A Swedish company has been training to pick up cigarette butts in an effort to reduce the cost of cleaning litter off the streets in Södertälje, near Stockholm., Corvid Cleaning has developed a When Birds Help Clean The

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 Sweden is training wild crows to clean its streets. A startup built a specialized vending machine that teaches crows to collect cigarette butts in exchange for food. The idea uses Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs Crows trained to pick up cigarette ends and rubbish at French park Headlines, features, photo and videos from china news chinanews ecns cns

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