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

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

In the contiguous United States, peak spring bird migration runs approximately between March 1 and June 15, though some species migrate earlier or later. Fall migration is generally between Aug. 1 ...

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 ...

Among the migratory birds navigating their annual trek out of the south are several species of hummingbirds, some of which ...

Every year during migration, billions of birds are killed by colliding into buildings due to the bright lights in developed ...

They will endure our spring blizzards and dust storms because there is safety in numbers, and they will be back in the fall, heading south, because it is what they do. If you never have, the migration ...

Each spring, hundreds of thousands of swans, geese, cranes and other waterfowl descend on a Montana lake on their way to the Arctic. A small town festival draws thousands of bird fans.

The site says they usually track the birds migration from late-January to mid ... be seen migrating through Oklahoma in the spring and fall as they head west and then north to the Pacific Northwest.

Officials said last fall, the city of Winston-Salem passed ... Every year during migration, billions of birds are killed by colliding into buildings. This is due to the bright lights in developed ...