Nature & Environment
Animals at the extremes: hibernation and torpor
...analysis of variations on conventional endothermy. Whilst most hibernating endotherms lower the temperature of all or parts of their bodies by between 5 and 25° C, many ectotherms and some mammals are characterized by their ability to depress their T b to below the freezing point of water. In either situation, physiological adaptations must include: thermoregulatory...