What do you get when you cross a blue jay with a green jay? That’s not the start of a joke, but the subject of a new study ...

Unusual weather patterns are bringing once-distant bird species into contact, giving rise to rare hybrids that fascinate ...

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

Warming temperatures have prompted a rare hybridization of a blue jay and green jay, according to researchers at the ...

A hybrid bird found near San Antonio is the offspring of the two types of jays, UT Austin researchers say. It's likely the first found in the wild.

Scientists in Texas confirmed the existence of a rare hybrid bird, the offspring of a green jay and a blue jay. It’s one of the first known cases of climate change driving two species into the same ...

(CNN) - Researchers in Texas say they’ve identified the first-known wild hybrid between a blue jay and a green jay. According ...

Researchers at UT Austin are chirping about a brand new bird.

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.

A previously impossible hybrid of a blue jay and a green jay has been discovered. While the two species are closely related enough to produce offspring, their ranges didn't overlap until recently.

We live in unprecedented times, and the "grue jay" (a hybrid bird found in South Texas) is emblematic of this fact. Check out ...

In Texas, biologists have documented an extraordinary bird — the natural hybrid offspring of a green jay and a blue jay. Once ...