From purple martins to barn swallows, find out how to spot and identify 8 members of the swallow bird family during summer.

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of studies ...

Heard a chirp or spotted a flutter? These free apps identify backyard birds by sight or sound — no binoculars or in-depth ...