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". • The "Grue Jay" is slightly paler than its dad and has its mom's dark features. (Credit: Brian Stokes)

"We feel that it really is kind of a unique event, a bellwether, if you will, that environments are changing very rapidly," said Professor Timothy Keitt, with the Department of Integrative Biology at The University of Texas in Austin and one author on a new paper about the "grue jay."

Keitt studies the green jay, which has moved further north as a result of a changing climate. "One of the things that we were wondering is, when they encounter blue jays, would that stop this expansion? That they would be antagonistic to each oth

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