crows picking up cigarettes pick cigarette butts: Dutch startup training birds to pick up litter for food Clever Crows Pick up Cigarette

Clever Crows Pick up Cigarette Butts in Sweden in Exchange for Rewards 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 In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle Crows Could Be Trained To Clear Up Cigarette Butts From The Streets IFLScience In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%. Watch: Crows trained to collect cigarette butts in French theme park

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