Credit: Jack Socha (1) and Yuchen Gong (2-5)
(1) A paradise tree snake, Chrysopelea paradise, gliding in air. (2) 3D snake body model with skeletal joints for horizontal undulation. (3) Vortex structures of the undulating snake. (4) Spanwise vorticity contours at different slice-cuts along the body. (5) Effects of the undulating frequency on the aerodynamic performance of the gliding snake.