The ranges of the two parent bird species have expanded due to climate change and now overlap around San Antonio, researchers ...

A rare bird alert on the eBird app led University of Texas researchers to discover a rare hybrid from a blue jay and green jay mating.

A woman in a San Antonio suburb took a photo one spring morning in 2021 of a bird in her yard that looked odd. Its feathers ...

Despite their colorful appearance, blue jays are actually in the family Corvidae, the same as crows and ravens. These birds ...

Somewhere over the rainbow 48 million years ago, a happy little blue bird flew—until it soared over a lake belching toxic gases and died. The lake’s sediments then entombed the bird’s body, ...

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 ...

Examining fossilized pigments, scientists have uncovered new insights into blue color tones in prehistoric birds. Examining fossilised pigments, scientists from the University of Bristol have ...

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 ...