- April 14, 2021
V-shaped flight of migratory birds
Wednesday, April 14, 2021 Migratory birds fly energy-efficiently in a V-shape by taking advantage of the vortex of air currents (wingtip vortex) when they travel long distances. Migratory birds, flying nimbly across the blue sky with white clouds in the sky, are in good spirits today [...].
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