So What Should We Call This – A Grue Jay?

Summary

As a Ph.D. candidate studying green jays in Texas, Stokes was in the habit of monitoring several social media sites where birders share photos of their sightings. It was one of several ways he located birds to trap, take blood samples for genetic analysis and release unharmed back to the wild. One day, he saw a grainy photo of an odd-looking blue bird with a black mask and white chest posted by a woman in a suburb northeast of San Antonio. It was vaguely like a blue jay, but clearly different. The backyard birder invited Stokes to her house to see it firsthand. “The first day, we tried to catch it, but it was really uncooperative,” Stokes said. “But the second day, we got lucky.” The bird got tangled in a mist net, basically a long rectangular mesh of black nylon threads stretched between two poles that is easy for a flying bird to overlook as it’s soaring through the air, focused on some destination beyond. Stokes caught and released dozens of other birds, before his quarry finally blundered into his net on the second day. Stokes took a quick blood sample of this strange bird, banded its leg to help relocate it in the future, and then let it go. Interestingly, the bird disappeared for a few years and then returned to the woman’s yard in June 2025. It’s not clear what was so special about her yard. “I don’t know what it was, but it was kind of like random happenstance,” he said. “If it had gone two houses down, probably it would have never been reported anywhere.” According to an analysis by Stokes and his faculty advisor, integrative biology professor Tim Keitt, published in the journal Ecology and Evolution, the bird is a male hybrid offspring of a green jay mother and a blue jay father. That makes it like another hybrid that researchers in the 1970s brought into being by crossing a green jay and a blue jay in captivity. That taxidermically preserved bird looks much like the one Stokes and Keitt describe and is in the collections of the Fort Worth Museum of Scienc...