Birds of a feather flock together, the adage goes. But a rare bird spotted in Texas suggests there's more ornithological intermingling than previously thought. When researchers at the University of ...

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 ...

Here's a fun question. What do you call the offspring when a blue jay and a green jay mate? Well, in Texas, when one such bird was discovered, the name that the public has decided on is grue jay. But ...