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"An excellent, popular, yet authoritative explanation of bird migration . . . highly recommended."--Library Journal: *First-ever revision of a classic guidebook*Information on migratory flight patterns, flight speed and distance, travel seasons, calls of migrating birds, and more*Includes case studies on migrating birds from around the world: The mysteries of migration have puzzled birders and prompted scientific inquiry for years. In this revised and updated edition, Paul Kerlinger unravels the intricacies of migration. Using case studies and illustrations, he explains the basics of flight, the effects of weather and geographical barriers, and flight strategy. Readers will learn how fast and how high birds fly, how far they go in a day, and how they navigate. This fascinating guide on bird migration makes the latest scientific findings available to birders and nature-lovers alike.