crow cigarette cleaning 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 company has been

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 startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Swedens Corvid Cleaning tested an ingenious vending machine that trained wild crows to clean up streets! , When crows dropped discarded cigarette butts into the device, it scanned the litter and Crows trained to clean up cigarette butts in Sweden YouTube

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