Small birds capitalize on weather patterns during epic migrations

Date:

May 6, 2014

Source:

Cornell University

Summary:

In one of the greatest feats of endurance in the biological world, millions of tiny songbirds -- many weighing less than an ounce -- migrate thousands of miles to Central and South America each year. Now scientists are finding out how these featherweights do it: using elliptical routes that take advantage of prevailing wind patterns to save calories.

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