How crouch took dinosaurs to new heights -- as birds
Wednesday, April 24, 2013 - 14:10
in Paleontology & Archaeology
By Charles ChoiLiveScience Birds can hold their wings high because of the strange way they crouch, and now scientists say the origins of this folded posture may provide insight into the evolution of their flight.Birds stand and walk in an unusually crouched way, with the femur, or thighbone, held nearly horizontally — unlike humans, whose legs stand vertically. Birds’ crouched stance helps support...