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Figure 1

From: Human bipedalism and body-mass index

Figure 1

The mass M versus the linear body size H of animals: (a) Pale chub (Zacco platypus) (N = 3 163) and (b) Korean chub (Zacco koreanus) (N = 997) are for fishes, (c) Fin (N = 29) and (d) Sei (N = 27) are for whales, and (e) and (f) are for land mammals, respectively. The data file used for (e) contains all 325 lines of the mass, the body length, and the shoulder height information of many different species of land mammals, while the file used for (f) contains 205 lines of the mass and the body length of species in order Rodentia. In (e) two different ways to measure the linear size, the shoulder height (upper points) and the body length (lower points) are displayed. In all datasets in (a)–(f), we observe that the Benn index p ≈ 3, with (d) an exception, probably due to insufficient data size for Sei whales.

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