Birds on the Move: Mysterious Migrant

摘要

We know where terns breed and winter, but little about their migratory journeys. A gust is a magical time for terns. Although migration has not yet commenced in earnest, terns gather at staging sites along both North American coasts, offering almost unparalleled opportunities for seeing many species that we normally might not see and for seeing masses of them. The best locations harbor thousands of the delicate beauties as they ready themselves for flights to come.