crows cleaning up cigarettes trained to clean cigarette butts on Swedish streets 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 Sweden deploys 'easy to teach' CROWS to pick up cigarette butts on city streets Daily Mail Online 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 Dutch Company Wants To Use Crows To Clean Up City Of Cigarette Butts 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 In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle

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