Table 2.

Body mass, effective limb length and cost of transport for different size classes within species

Mass (kg)
SpeciesCommon nameCOTLELE (cm)COT (J kg-1 m-1)Source (LE; COT)
Canis familiaris Dog — small5.6024.06.54(Roberts et al., 1998a; Pontzer, 2007)
Canis familiaris Dog — medium26.339.05.63(Pontzer, 2007)
Canis familiaris Dog — large37.956.03.12(Pontzer, 2007)
Homo sapiens Human — short58.880.32.57(Pontzer, 2007)
Homo sapiens Human — medium73.694.42.34(Pontzer, 2007)
Homo sapiens Human — tall75.21072.40(Pontzer, 2007)
Lacerta sicula Lizard0.0060.0073.241.21(Irschick and Jayne, 1999; John-Adler et al., 1986)
Lacerta sicula Lizard0.0100.0123.439.20(Irschick and Jayne, 1999; John-Adler et al., 1986)
Rangifer tarandus granti Caribou — small25.575.02.43(Niemen and Helle, 1980; Luick and White, 1986)
Rangifer tarandus granti Caribou — medium54.51001.70(Niemen and Helle, 1980; Luick and White, 1986)
Rangifer tarandus granti Caribou — large1031101.71(Niemen and Helle, 1980; Fancy and White, 1986)
Rangifer tarandus sp.Reindeer1111101.97(Niemen and Helle, 1980; Luick and White, 1986)
  • LE, limb length; COT, cost of transport.