For more than 2,000 years, scientists have scratched their heads over one of the most basic mysteries of the natural world: Where do birds go? Billions of birds appear and disappear with the seasons ...

Every year, billions of birds undertake intrepid journeys between temperate regions in North America and their tropical wintering grounds in South America. "Birds are great indicator species of ...

A “high” bird migration alert was issued for the Chicago area Friday night, with tens of thousands of birds expected to fly across the region. BirdCast.org issued the alert, saying large numbers of ...

On hearing the first cuckoo of spring, the poet's heart might sing, and while one swallow does not make a summer, the annual migrations of bird species across continents have fascinated us for ...

Dallas is the third-most dangerous city for birds during spring and fall migration, according to a study from the Cornell Lab of Ornithology.

Large numbers of birds are expected to fly over the D.C. area for their fall migration this week, and they are at risk from light pollution. But you can help by simply flipping some switches. Bird ...

Bird flu has reemerged in western Washington following multiple reports of sick and dead birds.

Millions of Michigan's birds are heading south for the winter and bird watchers can track their annual fall migration flights live. The BirdCast Migration Dashboard, a live migration map provided by ...

Bird migration is ramping up in Michigan, indicating the changing seasons and giving birders a chance to see hundreds of species before winter. Millions of birds are winging their way south across the ...