crows collecting cigarettes Dutch Startup Wants to Train to Clean Streets of Cigarette Butts A pilot program in Sweden

A pilot program in Sweden trained wild crows to drop cigarette butts into a machine in exchange for food. Run by startup Corvid Cleaning, it aimed to cut litter clean up costs by Corvid Cleaning developed a machine that encourages wild crows to collect litter. The birds drop cigarette butts into the slot and get food in return. No cages, no forced training the A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Butts for nuts: can crows do our dirty work (and should they)?

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