crow cigarette butts Crows pick up butts: Dutch startup training birds to pick up litter for food A machine that trades food

A machine that trades food for litter : r Amazing A Swedish company has been training crows to pick up cigarette butts in an effort to reduce the cost of cleaning litter off the streets in Sdertlje, near Stockholm., Corvid Cleaning has developed a 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, 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 This Swedish Company is Training Crows to Pick Cigarette Butts From Streets Buzz News News18

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