But a bird wing is vastly more sophisticated than anything ... transforming them from gliders to true powered fliers. In short, the evolution of feathers would have happened along with the ...

Researchers may have just found the answer: Unlike birds, the evolution of bats' wings and legs is tightly coupled, which may ...

But the creature also had wings and bore feathers -- certainly birdlike traits. Despite the increasingly clear picture of the evolution of birds from theropod dinosaurs that has emerged ...

Nudds described this equation in a 2007 paper published in the Journal of Avian Biology, in which he describes the scaling of bird wing parameters with respect to body mass. But in this ...

From the Galapagos Islands to New Zealand, species of birds that exist today model characteristics of their ancestors that provide clues to the environmental forces that shaped their evolution.

“What we found was there was the slow, steady kind of gradual evolution,” says Steve. Many of the features that we think of when we think of birds – feathers, wings, wishbones, and beaks ...

Looking to explain these associations, the found species' wing lengths and the similarity of their calls were the most important factors. In contrast, birds that "buddy up" during stopovers weren ...

Large-scale poultry vaccinations may be driving bird flu evolution, according to a concerning new international study.

Researchers at Rice University have uncovered new insights into the evolution of bird behavior, revealing why certain mating systems persist while others disappear over time. "This research not ...