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Childhood Photo Sparks Career
- Eleven-year-old Martin found strange cattle egrets on his grandfather's Bavarian farm and began photographing them.
- His question about where they came from propelled a lifelong career studying migration.
Old Theories, Real Evidence
- Aristotle proposed migration, transmutation, and hibernation to explain disappearing birds.
- The discovery of African-speared storks in Europe helped confirm long-distance migration.
Tracking Reveals Global Journeys
- Tracking technology transformed migration from mystery to measurable phenomenon.
- Scientists now tag birds, mammals, fish, and more to map vast seasonal journeys.