As the sun nears the western horizon, you hear a buzzy call, pzzeent!, from overhead. Looking up, you see a bird about the size of a pigeon but with narrow, angular wings, sailing and fluttering in a ...

A new study led by Smithsonian Migratory Bird Center and University of Alberta biologists has created a comprehensive picture of the 10,000 kilometer migratory route of common nighthawks using GPS ...