Vibrant red birds ... but how the birds became associated with the holiday season is a more mysterious story. That tale begins with the color red, a hue with many Christmastime connections ...

Birds boast some of the most vibrant colors among terrestrial animals. The tropics are often renowned for the brightest birds, but U.S. birds also display a wide array of striking hues. But ...

These bright red birds are back and ready to haunt the forests of Alabama for the summer. Summer tanagers will hang around to ...

"And one of the leading hypotheses is that the male has elaborate ornaments or colors that are attractive to the female." Most birds with bright yellow or red feathers — think goldfinches and ...

feasting on carotenoid-rich caterpillars makes bird feathers yellow, orange and red. “If we don’t give them a diet that’s rich in carotenoids, they’re not going to be able to color their ...

One enzyme has a key role in determining whether parrots’ rainbow plumage emerges in vibrant ... in yellow and green feathers than in red ones, suggesting that the enzyme helps feathers color ...

But birds have four color cones, meaning they are tetrachromatic. With our three color cones, we can see the colors of the rainbow—red, orange, yellow, green, blue, indigo, and violet—the so ...

feasting on carotenoid-rich caterpillars makes bird feathers yellow, orange and red. “If we don’t give them a diet that’s rich in carotenoids, they’re not going to be able to color their ...