A tree-dwelling bird that lived 48 million years ago probably had blue plumage, researchers say. Scientists inspecting a fossil of Eocoracias brachyptera say they have, for the first time, identified ...

Melanosomes linked with blue feathers are much longer than they are wide Sven Traenkner/Senckenberg Research Institute and Nature Museum in Frankfurt A prehistoric Eocoracias brachyptera bird whose ...

What makes a blue jay blue or a cardinal red? Color, a crucial element in nature, is most evident in the amazing hue and pattern variations in more than 10,000 bird species around the world. How birds ...

Birds may not have a word for maroon. Or burnt sienna. But show a zebra finch a sunset-colored object, and she'll quickly decide whether it looks more 'red' or 'orange.' A new study shows that birds ...