crows collecting cigarettes Butts for nuts: can do our dirty work (and should they)? In Sweden, Crows Are Learning

In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle Fighting litter with crows : r gifs Sweden deploys 'easy to teach' CROWS to pick up cigarette butts on city streets Daily Mail Online Crows trained to pick up cigarette ends and rubbish at French park Headlines, features, photo and videos from china news chinanews ecns cns Dutch Startup Wants to Train Crows to Clean Streets of Cigarette Butts 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

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