Using Human-Sized Microphones and Hay Bales, They Unlocked the Mysteries of Bird Migration

Using Human-Sized Microphones and Hay Bales, They Unlocked the Mysteries of Bird Migration

For thousands of years, no one truly knew how birds migrated—that is until a few unlikely pioneers sat, with hundreds of pounds of kludged together recording gear, in an empty field waiting to hear sounds that no one had ever captured…
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