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 ...

BrianTravis Maher/Cornell Lab of Ornithology/Macaulay Library, Stokes/University of Texas at Austin, Brien/Cornell Lab of Ornithology/Macaulay Library From left: A male blue jay, a rare hybrid jaybird ...

It wasn't just a unique color variation—it was something far more unusual. The bird, confirmed through genetic testing, was a wild hybrid between a green jay and a blue jay, the first ever documented ...

AUSTIN (KXAN) – A new bird, discovered just outside of San Antonio, Texas, is taking the birding world by storm. Part blue jay, part green jay: the “grue jay”. “We feel that it really is kind of a ...

Biologists are attributing this new hybrid bird to abnormal mating behavior to climate change BrianTravis Maher/Cornell Lab of Ornithology/Macaulay Library, Stokes/University of Texas at Austin, Brien ...