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 ...

Birds receive their colors thanks to the pigments in their genetic makeup. All living creatures owe their coloring to ...

Birds boast some of the most vibrant colors among terrestrial animals. The tropics are often renowned for the brightest birds, but U.S. birds also display a wide array of striking hues. But just how ...