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 ...

A talent for remembering faces isn’t the only similarity Blue Jays have with crows: The birds have also been known to use ...

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 ...

Birds boast some of the most vibrant colors among terrestrial animals. Our pretty avian friends have inspired our Democrat and Chronicle photographers for years and captured the imaginations of many ...

Despite their colorful appearance, blue jays are actually in the family Corvidae, the same as crows and ravens. These birds are typically 9 to 12 inches long from beak to tail and weigh under 3.5 ...

Northern cardinals in my yard look haggard, with bald, grayish-black heads, absent their trademark perky crest. Their tattered rusty-red feathers are besmirched by dingy grays and chalky whites. Blue ...