sweden crow cigarette In Sweden, a surprising idea is turning crows into allies in keeping cities clean. Instead of hiring crews to pick up butts, one of the most common types of litter, a Crows trained to clean up

Crows trained to clean up cigarette butts in Sweden Reuters In a city near Stockholm, wild crows are being trained to become street cleaners and it's turning heads around the world. A Swedish startup called Corvid Cleaning built a machine that In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up cigarette butts. The birds drop the waste into a special machine and receive a Swedish startup's device trades food for litter, reduces cigarette butts These birds 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 crows carry out the task as they receive some

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