Image uploaded from a quicklink (Image by Unknown Owner) Details DMCA | A video of a massive starling flock turning and twisting over a river in Ireland has gone viral, and with good reason. Flocking starlings are one of nature's most extraordinary sights: Just a few hundred birds moving as one is enough to convey a sense of suspended reality, and the flock filmed above the River Shannon contained thousands. It's easy for a starling to turn when its neighbor turns -- but what physiological mechanisms allow it to happen almost simultaneously in two birds separated by hundreds of feet and hundreds of other birds? |