crows cleaning up cigarettes Butts for nuts: can do our dirty work (and should they)? Sweden startup is teaching crows

Sweden startup is teaching crows to clean up cigarette butts after stupid humans Swedish firm trains crows to pick up cigarette butts. Read full story here India Today A Swedish startup called Corvid Cleaning is testing a creative way to reduce litter by training wild crows to pick up cigarette butts. Using a special machine, the birds drop pieces of No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist 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

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