Crows can count in the same way as human toddlers, study shows | CNN
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. CNN — Maybe ‘birdbrained’ isn’t such an insult after all – crows, the ubiquitous urban bird, can vocally count to four, the latest research shows. Not only can the curious creatures count, but they can … Read more