When vertebrates moved onto land, long ago, some of them eventually became airborne, way after the insects did. There are ...

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 ...

Bird wings and legs evolve independently, while bat wing and leg proportions are integrated. Credit: Nature Ecology & Evolution (2024). DOI: 10.1038/s41559-024-02572-9 ...

a flight feather is shaped asymmetrically, the leading edge thin and stiff, the trailing edge long and flexible. To generate lift, a bird has merely to tilt its wings, adjusting the flow of air ...

Although it’s not uncommon for birds to communicate with each other by flapping their wings to make a desired noise ... and a characteristic tail that forms a foot-long scissor shape when extended.