BirdCast radar tracking has taken some of the mystery out of bird migration patterns, showing that 80% move after dark.

In ancient Rome, high priests divined events by the flights, types and songs of birds. Augurs, as the Roman officials were called, advised emperors. They planned cities. They sanctioned war. Birdcast, ...

Tonight, there will be more birds in the sky than there are people in the United States. According to Cornell Lab’s BirdCast, an estimated 373 million winged migrators will continue their journey ...

Another springtime avian migration period has largely passed, but not before an estimated 40 million birds crossed over Savannah in their semiannual rite. The northward flow peaked on May 1, when ...

BirdCast’s newest advances provide detailed flight forecasts of millions of birds. Van Doren, B.M. and Horton, K. 2023 migration map image. BirdCast, migration forecast map; Generated September 4, ...

Cornell's BirdCast is a user-friendly project that lets you watch migration as it happens. As surely as one season marches into the next, the natural world follows suit and prepares for the changes ...

As surely as one season marches into the next, the natural world follows suit and prepares for the changes ahead. When spring arrives, tree leaves unfurl, shoots emerge from the ground, and migrating ...