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 ...

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

This is by far the more numerous of the two goldeneye species, often seen in small flocks, sometimes in large concentrations. When feeding, all the birds in one section of a flock may dive at the ...