The annual spring migration has begun, filling the skies with millions of birds that primarily move at night as they make their way to their summer feeding grounds. And radar tracking gives you a ...

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 ...

Fall migration runs between August 1 and November 30. Peak spring migration is in May in NH The spring birds are on their way back. Warblers, osprey, hummingbirds and more are all making their ...