crows collecting cigarettes In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid Cleaning trained wild to collect cigarette butts from the streets In Sweden, a startup tested

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 Photo by Mind blowing facts (@blowingfacts365) June 15, 2026 Dutch Startup Wants to Train Crows to Clean Streets of Cigarette Butts The Swedish startup Corvid Cleaning trains crows to help keep streets clean. The birds collect cigarette butts and other small litter in exchange for food rewards. According to the startup, this system

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