NEW YORK — The next time you see birds flying in a V, consider this: A new study says they choreograph the flapping of their wings with exquisite precision to help them on their way. That's what ...

Millions of birds invisibly migrate through the night sky each autumn, most flying in near silence toward their wintering ...

Every autumn, billions of birds leave their breeding areas when the temperature drops and food gets scarce to spend the winter in more favorable climes, returning the following spring when warm ...