crows cigarette butts No About It: Cleaning Up Cigarettes at a French Theme Park Cool idea, but is it

Cool idea, but is it possible? : r crows Trading Bird Food For Cigarette Butts Hackaday 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 crows carry out the task as they receive some Six crows were trained to collect the butts thrown on the ground in France. Crows throw the cigarette butts they collect on the street into a machine and buy food from the machine as a reward. Swedish firm deploys crows to pick up cigarette butts Birds The Guardian

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