sweden crow cigarette When Birds Help Clean The City In Sweden, researchers and innovators have experimented with training wild crows to collect discarded butts in exchange for food rewards. using simple learning mechanisms, the A Swedish start-up, Corvid Cleaning,

A Swedish start up, Corvid Cleaning, is recruiting an unlikely workforce, wild crows, to combat urban pollution., The pilot project, launched in partnership with the Keep Sweden Tidy Foundation, Crows trained to pick up cigarette butts in Sweden video Birds The Guardian Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch In Sweden, a startup called Corvid Cleaning tested a pilot machine designed to train crows to collect cigarette butts and exchange them for small food rewards. Corvids: the bird family that includes

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