Climate patterns thousands of miles away affect US bird migration

Every spring, migratory birds arrive in the continental United States from south and central America to breed. But precisely when they arrive each spring varies from year to year. In a NASA-led study published in the Bulletin ...

Dashboard reveals migration paths of billions of birds

The BirdCast program at the Cornell Lab of Ornithology is exploring bird migration—one of the greatest, mostly unseen spectacles of nature—with its new Migration Dashboard, which reveals bird movements in localized detail ...

Light pollution increasing year-round for some migrating birds

Nighttime light pollution levels are increasing the most in the southeastern United States, Mexico, and Central America—findings based on year-round data collected over the last two decades in the Western Hemisphere. This ...

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