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Meet the “grue jay,” a climate-change mashup of blue and green jays

Gail P Sherman
Oct 01, 2025
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Grue jay

A previously impossible hybrid of a blue jay and a green jay has been discovered. While the two species are closely related enough to produce offspring, their ranges didn’t overlap until recently. Climate change has moved the two into the same territory and produced a “grue jay.”

The range of the green jay barely reached into Texas from Mexico in…

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Gail P Sherman
Geek, gamer, childless cat (and dog) lady
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