Rebecca Heisman—Flight Paths: How a Passionate and Quirky Group of Pioneering Scientists Solved the Mystery of Bird Migration
Where do birds go when seasons change? A 17th-century theory posited they flew to the moon. Researchers today use radar, satellites, light-level geolocation, DNA, data from community bird-watchers, and more to track and understand migration patterns, as Rebecca Heisman details in Flight Paths: How a Passionate and Quirky Group of Pioneering Scientists Solved the Mystery of Bird Migration.