On the open savannas of East Africa, a flock of vulturine guinea fowl looks almost unreal. Bodies are patterned with crisp ...

The vulturine guinea fowl’s electric blue feathers are not pigments. Scientists reveal how microscopic structures manipulate ...

Winter can be, at the landscape level, somewhat monochrome – sweeping vistas of snow, green pine needles and ochre marsh grass peeking through. But, look closer and there are explosions of color, all ...

Birds boast some of the most vibrant colors among terrestrial animals. Our pretty avian friends have inspired our Democrat and Chronicle photographers for years and captured the imaginations of many ...