crows collecting cigarettes These birds are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost-cutting drive., The carry out the task as they receive some Watch: Crows trained to collect

Watch: Crows trained to collect cigarette butts in French theme park 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 Wild crows trained to pick up cigarette butts in Swedish street cleaning project

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