LUND, Sweden, June 16 (UPI) --New research confirms the ability of chickens to see in constant color. Constant color is the ability to distinguish colors in varying light conditions. Scientists in ...

To find the best food and the best mates, chickens and other birds must be able to see color reliably under any lighting conditions, according to findings published in Proceedings of the Royal Society ...

Researchers have peered deep into the eye of the chicken and found a masterpiece of biological design. Scientists mapped five types of light receptors in the chicken's eye. They discovered the ...