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(CNN) — Perhaps “birdbrained” isn’t such an insult after all –– crows, the ubiquitous urban bird, can vocally count up to four, the latest research has found. (CNN) — Perhaps “birdbrained” isn’t such ...

Not only can the inquisitive creatures count, but they can match the number of calls they make when shown a numeral, according to a new study, led by a team of researchers with the University of ...

(CNN) — Perhaps “birdbrained” isn’t such an insult after all –– crows, the ubiquitous urban bird, can vocally count up to four, the latest research has found. Not only can the inquisitive creatures ...