The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

Add Yahoo as a preferred source to see more of our stories on Google. A record-breaking 1 billion birds were in flight over the eastern U.S. overnight on Oct. 8 according to a nonprofit group that ...

This year's migration is already breaking records! For avid birdwatchers, fall migration can be quite a show, as millions of birds travel to warmer winter homes—whether it's just a few hundred miles ...

Millions of migratory birds are currently flying over Southwest Florida, with peak migration still to come. Weather radar systems are detecting the massive flocks. The peak of the fall migration ...