A pinyon jay sits in a juniper tree. The bird is a keystone species whose range extends across 13 Western states. Credit: NPS This story was originally published by Undark and is republished here ...

A new bird has been discovered in the San Antonio area, a hybrid between two species whose ranges are starting to overlap, in part likely due to climate change, researchers say. Researchers at the ...

Here's a fun question. What do you call the offspring when a blue jay and a green jay mate? Well, in Texas, when one such bird was discovered, the name that the public has decided on is grue jay. But ...

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 ...

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 ...