Hi-res X-ray movies reveal that despite having extremely underdeveloped muscles and wings, young birds may acquire a mature flight stroke early in development by initially relying more on their legs ...

The Wright Brothers studied bird flight before they designed the first airplane. Now modern aircraft fly higher and faster than any bird, yet no manufactured device matches the graceful movements and ...

An air-filled sac within the birds' lungs is believed to increase the force the birds use to power flight muscles while soaring. Soaring birds -- like osprey, eagles, falcons, even vultures -- can ...

“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 ...

Argentavis magnificens was so massive it should’ve stayed grounded. Yet, this giant prehistoric bird still ruled the skies of ...

Soaring birds — like osprey, eagles, falcons, even vultures — can stay aloft in the air seemingly forever, rarely flapping their wings. They glide along rising air currents in a way that has ...