many people imagine an angel-like figure with bird wings growing from its back. However, according to Michael Habib, a researcher at the Natural History Museum of Los Angeles County Dinosaur ...

Those wings would also need flight muscles wrapping around from the chest to the back. Related ... which would require strong muscles. In birds, an average of 16% to 18% of their muscle mass ...

But a bird wing is vastly more sophisticated than anything ... the barbs effortlessly separate, then slip back into place. The case would have been even grander if paleontologists could have ...

Everything about the anatomy of a bird reflects its ability to fly. The wings, for example, are shaped to create lift. The leading edge is thicker than the back edge, and they are covered in ...

Although it’s not uncommon for birds to communicate with each other by flapping their wings to make a desired noise, this was a particularly fascinating discovery because the two subspecies are in the ...