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 ...

The brilliant colors of birds have inspired poets and nature lovers, but researchers say these existing hues represent only a fraction of what birds are capable of seeing. The brilliant colors of ...

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

I occasionally hear from readers who report a partially white bird - a bluebird, a house sparrow or some other type - in their yards. While my wife and I were conducting a recent birding workshop at ...

My favorite bird is the Baltimore oriole, a treetop-loving blackbird the color of a navel orange, with a song as sweet as syrup. But when I see an oriole these days, their orange seems less brilliant ...

Birds in the tropics face a tradeoff when it comes to egg color. But for birds in the north, it's an easier call. From baby blue to black-speckled beige, bird eggs are as varied as the species that ...

Birds are noticeably more active in warmer weather, leading to the following questions. Q:Goldfinches around our yard are changing color. I know that the males will soon become bright yellow. Does the ...

I occasionally hear from readers who report a partially white bird — a bluebird, a house sparrow or some other type - in their yards. While my wife and I were conducting a recent birding workshop at ...