The House Wren is a familiar and lively neighborhood bird with a rich bubbling song, subtly patterned brown plumage, and a ...

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 ...