Blue jays might be beautiful, but there's a good reason many bird enthusiasts don't want them around their feeders. Learn why ...

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

A new blue-and-green jay hybrid was discovered in San Antonio, Texas. Changing weather caused the habitats of blue jays and green jays to overlap, leading to the hybrid. This is the first observed ...

Researchers have found a new "grue jay" bird in South Texas, a hybrid between blue and gray jay birds that is likely the result of shifting weather patterns and climate change.