Figure 2.

Relationship between mammalian body mass (M, g) and basal metabolic rate (BMR, ml of O₂ per h) for all data (a; n = 619, r² = 0.94), data corrected to a common body temperature (36.2°C) by using a Q₁₀ of 3.0 (b; n = 507, r² = 0.96), and data corrected to 36.2°C for all species excluding Artiodactyla, Lagomorpha, Soricidae (Insectivora), and Macropodidae (Diprotodontia) (c; n = 469, r² = 0.96). Exponents are shown with 95% confidence intervals.