crows picking up cigarettes trained to clean cigarette butts in Sweden Wild crows trained to pick

Wild crows trained to pick up cigarette butts in Swedish street cleaning project Crows take a cigarette break In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle 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 A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting

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