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

How similar are the Toronto Blue Jays to the bird after which they are named? We called up the Seward Park Audubon Center to ...

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 ...

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 ...

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.

(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 ...