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Files in this Data Supplement:
This video illustrates a synchronous kick of a surface swimming leopard frog (Rana pipiens), with the vectors indicating the direction and relative magnitude of the flow as seen in a horizontal slice of the wake. The color coding of the vectors shows vorticity, with blue as negative (counter-clockwise) and red as positive (clockwise) vorticity. The color coding is relative in each image, with white or black vectors indicating the maximum absolute value of the vorticity.
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