Biologists have long pondered why males in most species are more colorful than females. Darwin's theory of sexual selection ...

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 ...

TORONTO (CTV Network) — When the bird first appeared in front of birdwatchers in Colombia, it was clear from its unique plumage — bright green on the left half of its body and blue on the right half, ...

The animal kingdom gives us rainbows of color with butterflies and chameleons, and clownfish, but birds give us just as much of a show. Among the peacock, the toucan, and the macaw, there’s a ...

Texans from the Rio Grande Valley to the Hill Country and into the Panhandle had the unexpected thrill of seeing migrating lazuli buntings in their yards and fields during late April. The name lazuli ...