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 ...

I love spring … the colors, the smell, the sounds of singing birds. After a winter of gray skies, white landscapes and no smells – I just love spring. I am fortunate enough to spend a lot of time ...

Explore brood parasitism as tawny-flanked prinias evolve to outsmart cuckoo finch eggs in a colorful evolutionary arms race. "Arms race" might seem like too dire a phrase for what's essentially an egg ...

Birds receive their colors thanks to the pigments in their genetic makeup. All living creatures owe their coloring to pigmentation within their DNA. Even humanity owes our hair and skin color to this ...

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 ...

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 ...

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, ...

If you have a bird feeder in the continental United States, you have almost certainly been visited by house finches. On both sides of the Mississippi their hungry flocks coat feeders like displays of ...

The color vision of birds stops working considerably earlier in the course of the day than was previously believed, in fact, in the twilight. Birds need between 5 and 20 times as much light as humans ...