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

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

Whether diving at a 90-degree angle to snatch up fish, coasting over the water with its tremendous wings outspread, or ...

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

About the Bird: The Blue-winged Warbler thrives in scrubby fields and thickets in the East, poking its bill into clumps of ...