Plus: How to avoid weeds from feeder seeds, what makes hummingbirds so feisty, and cleaning hummingbird feeders.

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 ...

(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 ...

Scientists are continuing to find ways in which climate change is impacting animal species and ecosystems. Warming temperatures have prompted a rare hybridization of a blue jay and green jay, ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you happen to find yourself in south Texas and spot a strikingly ...