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 ...

The flash of deep red at the bird feeder might have you guessing. Is it a Purple Finch? Something more exotic? Identifying ...

"Arms race" might seem like too dire a phrase for what's essentially an egg-dying contest. But for the two bird species hurrying to outwit each other, it really is a matter of survival. The stakes in ...

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, ...

Shutterstock It is common to say that something is as light as a feather in order to mean that something doesn’t weigh much ...

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 ...