Disclaimer: Supplementary materials have been peer-reviewed but not copyedited.

evo12042-sup-0001-TableS1.xls86KTable S1. Data on basal metabolic rate and body mass for 195 rodent species, together with data on geographic, climatic and ecological variables.
evo12042-sup-0002-TableS2.xls1619KTable S2. Parameter estimation (and standard deviation) for models including exogenous factors in addition to body mass.
evo12042-sup-0003-TableS3.xls27KTable S3. Data on basal metabolic rate and intestinal length for 30 rodent species.

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