crow cigarette butts No About It: Crows Cleaning Up Cigarettes at a French Theme Park A Swedish startup, Corvid Cleaning,

A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting In Sweden They Train Birds to Remove Cigarette Butts! YouTube This Swedish Company is Training Crows to Pick Cigarette Butts From Streets Buzz News News18 A Swedish startup called Corvid Cleaning has found a clever way to fight litter using wild crows. According to The Guardian, the company developed a device that rewards crows with food when Swedish startup's device trades food for litter, reduces cigarette butts

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