sweden crows pick up cigarettes startup is teaching to clean cigarette butts after stupid humans Swedish startup Corvid Cleaning built

Swedish startup Corvid Cleaning built a machine that dispenses food scraps when wild crows drop cigarette butts into a slot. Crows are entirely voluntary participants, drawn in by their problem solving ability researchers In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%. 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 In Sweden, a surprising idea is turning crows into allies in keeping cities clean. Instead of hiring crews to pick up cigarette butts, one of the most common types of litter, a

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