crow cigarette cleaning Butts for nuts: can crows do our dirty work (and should they)? 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 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 In a city near Stockholm, wild crows are being trained to become street cleaners and it's turning heads around the world. A Swedish startup called Corvid Cleaning built a machine that 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 CROWS Clean Up City Streets by Collecting Cigarette Butts Recycling Council of Alberta

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