Mary Alice Tartler knows her birds, but she didn’t know this one. She had arrived at her friend’s house on Hilton Head Plantation this past winter to photograph humming birds that frequented a bird ...

Across backyards, campuses, rainforests and even aquariums, birds are changing in ways that are startling veteran researchers. From hybrid jays that should not exist to songbirds that reshape their ...

Scientists are continuing to find ways in which climate change is impacting animal species and ecosystems. Warming temperatures have prompted a rare hybridization of a blue jay and green jay, ...

Texas has welcomed a new feathered resident. The grue jay is a combination of a blue jay and a green jay. Researchers say it's one of the first instances of hybridization due to climate change. While ...

(CNN) - Researchers in Texas say they’ve identified the first-known wild hybrid between a blue jay and a green jay. According to a study published earlier this month in the journal “Ecology and ...