OKINAWA, Japan, Nov. 4 (UPI) --Everything seems brighter in the tropics: the sky, the ocean, the houses, the birds. Think tropics and brightly feathered toucans and parrots come to mind. Why is that?

Birds and humans perceive colors differently, so scientists rely on instruments and genetics to accurately describe the diversity of avian color signals. Aa Aa Aa Evolutionary processes have generated ...

Climate change is making birds less colorful, according to a 15-year study on a common bird called the blue tit. It is dulling flashy feathers and threatening survival as our feathered friends rely on ...

Seeing a strange or unusual bird can raise curiosity in anyone. Some people will dismiss the sighting, but others will try to identify the species. The Cornell Lab of Ornithology says more than 800 ...

In order to discover the true colors of ancient animals, scientists are using X-rays to closely examine the chemical details of modern bird feathers. The researchers were able to map elements that ...