What do you get when you cross a blue jay with a green jay? That’s not the start of a joke, but the subject of a new study that aims to describe a hybrid bird never encountered before in the wild. The ...

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 ...

A male blue jay on the left, a female green jay on the right and a hybrid offspring of the two species in the center. Travis Maher / Cornell Lab of Ornithology / Macaulay Library (left); Brian Stokes ...

Birds of a feather flock together, the adage goes. But a rare bird spotted in Texas suggests there's more ornithological intermingling than previously thought. When researchers at the University of ...

Unlike birds whose plumage is mostly blue, the green coloring of a green bird’s feathers is the result of pigment, not a trick of the light. These birds’ emerald green, lime green, chartreuse, or ...

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 ...

Discover 10 magical iridescent birds that shine like rainbows. From peacocks to hummingbirds, explore the most stunning species with shimmering feathers.

The mystery bird was observed following a flock of blue jays, making similar calls. But it also produced the clicks and rattling vocalizations of a green jay.(Brian Stokes/University of Texas via CNN ...

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 ...