When we were kids we all learned that birds fly south for winter. Even though it was probably one of the first fascinating ...

CU Boulder researchers challenge long-held assumptions about the relationship between bird migration and the process by which new species arise Every year, billions of birds take to the skies, riding ...

When Logan Parker first sees a male, black-throated blue warbler near his Maine home each spring, two things strike him about the tiny bird – its stunning appearance and the thousands of miles it ...