Alpha Channel: No, Looped Video: No, Frame Rate: 30, Resolution: 3840x2160, Video Encoding: H.264, File Size: 215.38mb, Number of Clips: 1, Total Clip(s) Length: 0:29, Source Audio: No

Crowd herd of birds migrate by rising and turning with thermal air currents. Crowded flocks of birds flying in the sky. Murmurations dance swarm behaviour. Cranes migration over long distances. Crane family group large long-legged long-necked bird swarming collective aggregate together solidarity cooperation motion rhythm dancing murmuration multitudinous cramped blue cloudless clear wild real symmetric symmetry symmetrical synchronous movement migratory heron pelican flamingo stork animal village house town city animals big winged wing documentary wildlife film UHD 4K 3840X2160.