crow cigarette cleaning Wild crows trained to pick up butts in Swedish street project In Sweden, a surprising idea

In Sweden, a surprising idea is turning crows into allies in keeping cities clean. Instead of hiring crews to pick up cigarette butts, one of the most common types of litter, a Trained crows have slashed city cleaning costs by 75%. A Swedish startup named Corvid Cleaning launched a pilot program in Sdertlje, training wild crows to collect cigarette butts in exchange for food Swedish firm deploys crows to pick up cigarette butts Birds The Guardian Dutch Startup Wants to Train Crows to Clean Streets of Cigarette Butts Cool idea, but is it possible? : r crows A Swedish startup, Corvid Cleaning, developed an innovative machine that rewards crows with food when they deposit cigarette butts into a collection slot. The system is based on reward based learning, a

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