Consistent individual differences (CIDs) in behavior are a widespread phenomenon in
animals, but the proximate reasons for them are unresolved. We discuss evidence for the …

Individual differences in the energy cost of self-maintenance (resting metabolic rate, RMR)
are substantial and the focus of an emerging research area. These differences may …

The study of phenotypic evolution should be an integrative endeavor that combines different
approaches and crosses disciplinary and phylogenetic boundaries to consider complex …

The mouse is one of the most important model organisms for understanding human genetic
function and disease. This includes characterization of the factors that influence energy …

Despite many decades of research, the allometric scaling of metabolic rates (MRs) remains
poorly understood. Here, we argue that scaling exponents of these allometries do not …

Basal metabolic rate (BMR) is the rate of metabolism of a resting, postabsorptive, non-
reproductive, adult bird or mammal, measured during the inactive circadian phase at a …

The evolutionary causes of variation in metabolic rate within and among species are a topic
of enduring interest. Variation between individuals is the raw material on which natural …

Links between metabolism and components of fitness such as growth, reproduction and
survival can depend on food availability. A high standard metabolic rate (SMR; baseline …

Resting metabolic rate (RMR) varies considerably among and within species. Two central
questions in physiological ecology are whether values of RMR are repeatable and whether …

Adaptive explanations for both high and low body mass-independent basal metabolic rate
(BMR) in endotherms are pervasive in evolutionary physiology, but arguments implying a …