crow cigarette butts CROWS Clean Up City Streets by Collecting In Sweden They Train Birds

In Sweden They Train Birds to Remove Cigarette Butts! YouTube 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. Crows pick up cigarette butts: Dutch startup training birds to pick up litter for food TomoNews A Swedish startup called Corvid Cleaning has found a clever way to fight litter using wild crows. According to The Guardian, the company developed a device that rewards crows with food when This Startup Teaches Crows to Pick up Cigarette Butts from City Streets

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