sara59
To Reduction of wind resostence and by this they can fly easily.
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gopalachari
A V formation (sometimes called a skein) is the symmetric V-shaped flight formation of flights of geese, ducks, and other migratory birds. V formations also improve the fuel efficiency of aircraft and are used on military flight missions.
tanya2601
Birds fly in a V format to conserve energy by taking advantage of the upwatd vortex fields created by the wings of the birds in front. The other use is to facitilate orientation and communication among the birds....
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