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.

The rare bird, spotted in a backyard in Texas, is the first known blue jay-green jay hybrid in the wild, according to a new ...

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 ...

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 that aims to describe a hybrid bird never encountered before in the wild. The ...