9780811732307 | 2 edition (Stackpole Books, January 31, 2009), cover price $21.95 |
About this edition: *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 worldThe mysteries of migration have puzzled birders and prompted scientific inquiry for years.
9780811724449 | Stackpole Books, August 1, 1995, cover price $19.95 |
About this edition: Unveils the mysteries of bird migration.