There was a time when Blue and Green Jays were distinct entities. A resident of San Antonio, Texas, recently photographed a unique hybrid bird, the surprising offspring of a Green Jay and Blue Jay.

Despite millions of years of evolutionary separation and a geographical divide, a blue jay and green jay mated in Texas. This bird is the result.

The mystery bird was observed following a flock of blue jays, making similar calls. But it also produced the clicks and rattling vocalizations of a green jay.(Brian Stokes/University of Texas via CNN ...

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 new blue-and-green jay hybrid was discovered in San Antonio, Texas. Changing weather caused the habitats of blue jays and green jays to overlap, leading to the hybrid. This is the first observed ...

Host Peter O'Dowd talks with Brian Stokes, graduate student in ecology, evolution and behavior at the University of Texas at Austin, about the rare hybrid offspring of a blue jay and green jay, seen ...

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 ...