sweden crows cigarettes Wild in trained themselves to exchange cigarette butts for food, using machine deisgned 🧠 Did You Know? In

Did You Know? In Sweden, clever crows learned to exchange discarded butts for food. In 2022, a startup called Corvid Cleaning tested the unusual idea in Sdertlje, a city near Stockholm. Wild crows trained to pick up cigarette butts in Swedish street cleaning project 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 Sweden deploys 'easy to teach' CROWS to pick up cigarette butts on city streets Daily Mail Online Watch: Wild crows trained to clear cigarette butts from streets in Stockholm, Sweden

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