. 2005 Sep 16;2(1):125–127. doi: 10.1098/rsbl.2005.0378

Table 2.

Scaling relationship between standard metabolic rate (SMR, mL O₂ h⁻¹) and body mass (M, g) normalized to 38 °C (20 °C in parentheses) according to van't Hoff (Q₁₀) and Boltzmann–Arrhenius (UTD: Gillooly et al. 2001) principles; SMR=aM^b.

group	Q₁₀	UTD
fish	0.224 M^0.879 (0.091 M^0.879)	0.213 M^0.879 (0.092 M^0.879)
amphibians	0.335 M^0.884 (0.081 M^0.884)	0.302 M^0.884 (0.081 M^0.884)
reptiles	0.560 M^0.768 (0.110 M^0.768)	0.536 M^0.769 (0.111 M^0.769)
birds	5.773 M^0.644	5.801 M^0.644
mammals	4.648 M^0.678	4.668 M^0.678