Bird Data Confirms That V’s Help Save Energy

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Birds of a feather may flock together, but why they fly together in V formations has never been known for certain.

Now, with the help of 14 northern bald ibises fitted with lightweight sensors on a 600-mile migration from Austria to Tuscany, researchers are suggesting that the explanation is one that was long suspected but never proved: The formation helps the birds conserve energy. \

Source: Here