Spring migration is sweeping across Texas, and barn swallows are already scouting porches, barns, overhangs, and eaves for ...

Add Yahoo as a preferred source to see more of our stories on Google. The most wide-spread members of the swallow family, barn swallows wing their way throughout the world, breeding generally in the ...

A new large-scale study from CU Boulder and colleagues provides first evidence that a gargantuan, inhospitable plateau in Asia maintains the species barriers of some birds In the middle of Asia, there ...