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 ...
In the 1300s, Spanish explorers discovered a small bird living in the islands off the western coasts of Portugal and Morocco, with dull green feathers but a sweet lyrical voice. The bird became ...
Two teams of researchers have independently identified a gene-encoded enzyme in birds that converts yellow pigments obtained from the diet into red pigments, which birds then use to color their ...