Two years ago, Brian Stokes—a PhD student studying green jays at the University of Texas at Austin—came across an image on social media featuring a strange animal sighted in a suburb northeast of San ...

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 ...

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 ...

The rare hybrid offspring of a blue jay and a green jay is likely a result of weather-related shifts in the range of two species. A rare hybrid bird identified in a suburb of San Antonio, Texas ...

A male blue jay on the left, a female green jay on the right and a hybrid offspring of the two species in the center. Travis Maher / Cornell Lab of Ornithology / Macaulay Library (left); Brian Stokes ...