To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2. Isosurface of the magnitude of the vorticity (|∇×u| = 2u0/L) around the butterfly model from t/T = 0 to t/T = 1.1 viewed from the right side of the model. This movie corresponds to Fig. 1(B). Revisiting the flight dynamics of take-off of a butterfly: experiments and CFD simulations for a cabbage white butterfly Kosuke Suzuki, Masashi Nakamura, Masaya Kouji, and Masato Yoshino Biology Open 2022. 11:None-None; doi: 10.1242/bio.059136 Download Original Video