sweden crow cigarette In Sweden, a surprising idea is turning crows into allies in keeping cities clean. Instead of hiring crews to pick up butts, one of the most common types of litter, a 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, 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 In Sweden, innovation took a wild turn literally , A startup called Corvid Cleaning began training crows to clean the streets by picking up cigarette butts the most common form of litter in the Swedish Company Trains Crows to Pick Up Cigarette Butts

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