Fall migration runs between August 1 and November 30. Peak spring migration is in April. Birds are on the move as their annual spring migration begins. Radar tracking allows you to follow along to ...

Have you heard the distinctive call of a red-winged blackbird yet? See an osprey perched by the water? Caught the briefest glimpse of a warbler flitting through the trees? The annual spring ...

Seasonal bird migration is about to ramp up, with hundreds of millions of birds crossing the country on a peak night. Some 1 million birds were in Colorado on Tuesday. Colorado and other Rocky ...

Still, scientists have long assumed that a basic trade-off made migration worth the gamble: Once birds arrived at their wintering grounds, they wouldn’t need to work so hard to stay warm ...

Each year, birds set out on their annual spring migration, traveling to their summer feeding grounds. This time of year is when local birds that went south for the winter return, or when birds ...

After observing thousands of records over decades, researchers found that birds of a feather may actually stick together during the annual migration in the U.S. Migratory songbirds like the cape ...