"On a big night in the spring, you're talking 450 to 500 million birds flying under cover of darkness." It's a time of year when local birds that went south for the winter return or birds heading ...

Birds face a number of threats during their long migration journeys, but the public can help by simply turning off unnecessary lights at night and advocating for your neighbors, employer or local ...

Even tiny birds fly halfway across the world ... but many smaller birds such as starlings migrate mostly at night. The cooler and calmer night air means the smaller birds lose less energy.

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