(CNN) - Researchers in Texas say they’ve identified the first-known wild hybrid between a blue jay and a green jay. According to a study published earlier this month in the journal “Ecology and Evolution,” the unusual bird, now known as a “grue jay ...

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. Green Jays were once found close to the Texas-Mexico ...

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 bigger question scientists are puzzling over, though ...