A pair of scientific papers has identified the same single gene as the source of red colouring in birds. The gene makes an enzyme that lets the birds convert yellow pigments, which they eat, into red ...

For many birds, just like for many people, red is the color of love. And, as with so many things, there is science behind the color. Researchers at Washington University School of Medicine in St.

A red factor canary, created by breeding a wild South American bird called the red siskin with the common yellow canary. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...