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Figure 6


Fig. 6. Flapping perching sequence (Run 14 of Table 1) taken using high-speed digital video camera. Time interval between frames: 40 ms. (A–D) final wingbeat of flapping approach. (E–L) Main deceleration wingbeat, involving pitch-up motion of wings (E–H) followed by deep stall (H–J). The lesser underwing coverts deploy towards the end of each downstroke and close shortly after the beginning of each upstroke (red arrows). An animation of the complete sequence at 500 frames s–1 is provided in supplementary material Movie 6.





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