JEB -- Johansson and Aldrin 205 (3): 371 Figure IG2

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Fig. 2. Dorsal (x,z plane) and lateral (x,y plane) views of a sequence of a diving puffin relative to still water. Symbols mark the positions of digitised points (see text for definitions): ${circ}$ , Tail; ${blacksquare}$ , BeakBase; ${square}$ , Beak; ${blacktriangleup}$ , Wrist; ${lozenge}$ , Tip; ${triangleup}$ , DistWrist; ${blacklozenge}$ , DistTip. Numbers in the graph correspond to frame numbers (see Fig. 1), each separated by 0.02 s. Values are means of three separate measurements, and error bars (S.E.M.) illustrate measurement error.