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Birds use massive magnetic maps to migrate—some could cover the whole world – Phys.org

Every year, billions of songbirds migrate thousands of miles between Europe and Africa—and then repeat that same journey again, year after year, to nest in exactly…

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Every year, billions of songbirds migrate thousands of miles between Europe and Africaand then repeat that same journey again, year after year, to nest in exactly the same place that they chose on their first great journey.
The remarkable navigational precision displayed by these tiny birdsas they travel alone over stormy seas, across vast deserts, and through extremes in weather and temperaturehas been one of the enduring mysteries of behavioral biology.
We know that birds buffeted by winds so…

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