Metabolic adjustments to winter severity in two geographically separated great tit (Parus major) populations
Cesare Pacioni,
Andrey Bushuev,
Marina Sentís
et al.
Abstract:Understanding the potential limits placed on organisms by their ecophysiology is crucial for predicting their responses to varying environmental conditions. A main hypothesis for explaining avian thermoregulatory mechanisms is the aerobic capacity model, which posits a positive correlation between basal (basal metabolic rate [BMR]) and summit (Msum) metabolism. Most evidence for this hypothesis, however, comes from interspecific comparisons, and the ecophysiological underpinnings of avian thermoregulatory capa… Show more
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