A murmuration of starlings carry out complicated aerial maneuvers in Napa, California
 

A murmuration of starlings carry out complicated aerial maneuvers in Napa, California. The birdsâ?? choreographed stunts defend them from bigger birds, as birds of prey have a tough time concentrating on one fowl in an enormous flock. (ً??¥: @katie.p.davis ) * Source

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