crow cigarette butts
crow cigarette butts Watch: Crows trained to collect in French theme park Cigarette butts make up more
Cigarette butts make up more than 60 percent of all street litter in Sweden, and cities spend millions of kronor every year cleaning them up. One Swedish startup looked at that problem In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid Cleaning trained wild crows to collect cigarette butts from the streets Swedish startup's device trades food for litter, reduces cigarette butts The crows trained to clean up cigarette butts In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle
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