crows collecting cigarettes Unbox Swedish firm deploys crows to

Swedish firm deploys crows to pick up cigarette butts Birds The Guardian Crows pick up cigarette butts: Dutch startup training birds to pick up litter for food TomoNews The Guardian Crows 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 wild birds carry In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up cigarette butts. The birds drop the waste into a special machine and receive a

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