The Baltimore Oriole flashes its brilliant colors from high up in the trees of open woods and groves in the East, singing out ...

From their unusual anatomy to their nesting behavior, Chimney Swifts are among the strangest of our common avian species. The ...

Albatrosses, petrels, and other ocean-dwellers can stay hydrated without fresh water. The key? Little glands above their eyes ...

As humans have transformed the natural environment, abundant birds have suffered the most—while some rare species have ...