Modern birds capable of flight all have a specialized wing structure called the propatagium without which they could not fly. The evolutionary origin of this structure has remained a mystery, but new ...

Bird physiology is conducive to flight: small size, hollow bones, and generally symmetrical feathers on the wings and tail. It seems like a no-brainer that bird evolution was optimized for flight, but ...

Birds in V-shaped formations save energy by adjusting wing flapping and timing. A new study reveals birds reduce flapping ...

When most people think of wings, they immediately think of flight. After all, wings are nature’s ultimate symbol of freedom, allowing birds to soar through the skies and insects to zip through the air ...

“Awkward” would probably be the most benevolent word I could use to describe the explosive launch into flight of the California quail. Certainly, the words graceful or athletic do not come to mind. A ...