Quick Take Vulturine guinea fowl’s blue and white plumage comes from feather structure, not pigments, creating vivid, long-distance visual signals. Bright colors and high-contrast patterns help ...

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 ...

Nature gives us one incredible surprise after another. If you're a bird lover and have been admiring bluebirds, jays, or barn swallows, you're not seeing a blue bird; it s actually brown. Here's how ...

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 ...