crow cigarette butts 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 Crows trained to clean up

Crows trained to clean up cigarette butts on Swedish streets National Good birdie! This box trains crows to collect cigarette butts for cleaner cities Digital Trends 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. dutch start up crowded cities wants to train crows to pick up cigarette butts This Startup Teaches Crows to Pick up Cigarette Butts from City Streets

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