The Mechanics of Bird Flocks (VIDEO) University of North Carolina at Chapel Hill This video is under embargo. Please login to access this video. Caption Wildlife researchers have long tried to understand why birds fly in flocks and how different types of flocks work. This video shares findings from a new study from the University of North Carolina at Chapel Hill that explores the mechanics and benefits of the underlying flock structure used by four types of shorebirds. Credit UNC-Chapel Hill Usage Restrictions Video may be used with credit given. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.