crow cigarette cleaning Crows in Sweden help clean streets by exchanging trash for food What if the solution to

What if the solution to cleaner streets came from the sky? In an innovative environmental initiative, specially trained crows are being taught to collect discarded cigarette butts and exchange them for 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 Swedish firm deploys crows to pick up cigarette butts Birds The Guardian In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle Cool idea, but is it possible? : r crows No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist

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