The role of energy in ecological processes has hitherto been considered primarily from the
standpoint that energy supply is limited. That is, traditional resource‐based ecological and …

Energy expenditure in animals scales allometrically with body mass, but residual variation is
not well understood. We examine the existing data on field metabolic rates (FMR) in …

A major factor influencing life-history strategies of endotherms is body size. Larger
endotherms live longer, develop more slowly, breed later and less frequently, and have …

Energy storage is an important component of life-history variation. Some organisms ("
income breeders") fuel reproductive expenditure by simultaneous feeding, whereas others (" …

The magnitude of energy flow through individual animals and their populations is potentially
limited by several physiological factors. These include thermal constraints affecting the time …

According to the aerobic capacity model, endothermy in birds and mammals evolved as a
correlated response to selection for an ability of sustained locomotor activity, rather than in a …

Whole-organism function is underpinned by physiological and biological processes, which
respond to temperature over a range of time scales. Given that environmental temperature …

Many elements of mammalian and avian thermoregulatory mechanisms are present in
reptiles, and the changes involved in the transition to endothermy are more quantitative than …

A major focus in the study of endothermic thermoregulation has been the description of
thermoregulatory patterns used by various species and/or populations. Compared with …

The aerobic capacity modelfor the evolution of endothermy contends that endothermy arose
as a result of selection for enhanced aerobic capacity rather than for thermoregulatory …