Biologists at The University of Texas at Austin, who have reported discovering a bird that's the natural result of a green jay and a blue jay's mating, say it may be among the first examples of a ...

In Texas, biologists have documented an extraordinary bird — the natural hybrid offspring of a green jay and a blue jay. Once separated by millions of years of evolution and distinct ranges, the two ...

Researchers have found a new "grue jay" bird in South Texas, a hybrid between blue and gray jay birds that is likely the result of shifting weather patterns and climate change. Here's a fun question.