sweden crows cigarettes trained to clean up cigarette butts in The Guardian – Crows are

The Guardian Crows are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost cutting drive. The wild birds carry This Swedish Company is Training Crows to Pick Cigarette Butts From Streets Buzz News News18 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 machine that trades food for litter : r Amazing In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle

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