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 ...

For a reddish-beaked bird called the zebra finch, sexiness is color-coded. Males have beaks that range from light orange to dark red. But to females, a male's colored bill may simply be hot, or not, ...

DURHAM , N.C. -- Birds may not have a word for maroon. Or burnt sienna. But show a zebra finch a sunset-colored object, and she'll quickly decide whether it looks more like "red" or "orange." A Duke ...

Birds may not have a word for maroon. Or burnt sienna. But show a zebra finch a sunset-colored object, and she’ll quickly decide whether it looks more like “red” or “orange.” A Duke University study ...

Birds may not have a word for maroon. Or burnt sienna. But show a zebra finch a sunset-colored object, and she'll quickly decide whether it looks more 'red' or 'orange.' A new study shows that birds ...