https://apnews.com/9350461ea0f30f5e31d77d12a8f03e27

WASHINGTON (AP) — Georgetown University ecologist Emily Williams first became fascinated with birds not because of their beauty, or their sweet songs. She was riveted by their extraordinary travels.

“Realizing that this tiny animal that can fit in the palm of your hand can travel thousands and thousands of miles one way in spring, and then does it again later in the year, was just amazing to me,” she said. “I have always been dazzled by migration.”