Until a few years ago, the “monito del monte” (Dromiciops gliroides) was considered the
sole surviving species of Microbiotheria, the sister group of Australidelphia (Australian …

During the past 30 years, the evolution of endothermy has been a topic of keen interest to
palaeontologists and evolutionary physiologists. While palaeontologists have found abundant …

Torpor and hibernation are powerful strategies enabling animals to survive periods of low
resource availability. The state of torpor results from an active and drastic reduction of an …

… Mejias, F. Goin, and R. Nespolo, personal observation using a UV lamp of 395 nm on live
individuals). Such fluorescence may be useful for inter-individual recognition in the dark (Y. …

Repeatability studies are gaining considerable interest among physiological ecologists,
particularly in traits affected by high environmental/residual variance, such as whole-animal …

Incomplete lineage sorting (ILS) makes ancestral genetic polymorphisms persist during rapid
speciation events, inducing incongruences between gene trees and species trees. ILS has …

Phenotypic selection is widely recognized as the primary cause of adaptive evolution in
natural populations, a fact that has been documented frequently over the last few decades, …

We compiled published values of mammalian maximum oxygen consumption during
exercise ( ) and supplemented these data with new measurements of for the largest rodent (…

The application of clinical biochemical techniques to determine the products of intermediary
metabolism has proved to be a reliable approach for the study of the physiological state of …

Living organisms are continuously faced with several forms of environmental perturbation,
one of the most important being human activity. In this scenario, the role of physiological …