Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Rhododendrites - Own work, CC BY-SA 4.0/Wiki Commons. Red birds are a vibrant addition to any garden, bringing ...

This time of year in the Eastern U.S., the birds are emerging in force, many flashing their brilliant reds—bright summer and scarlet tanagers, male cardinals in peak plumage or crimson male house ...

In the bird world, the color red has special significance. Many species use red signals to attract mates or deter rivals, adding the color to their beaks, feathers, or bare skin. Generally speaking, ...

The redder, the better. And I’m not talking about beets, roses or presidential candidates. I’m talking birds. Well, some birds. In various species, red coloration in a male’s feathers or beak is an ...

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 ...

An international team of researchers has found the genes responsible for converting yellow carotenoids in birds to red ketocarotenoids. In their paper published in the journal Cell Biology, the group ...

The gene responsible for red coloration and color vision in birds is also functional in turtles -- having arisen in a shared ancestor where it was probably used for color vision and possibly also for ...