Super-relaxation is a state of muscle thick filaments in which ATP turnover by myosin is
much slower than that of myosin II in solution. This inhibited state, in equilibrium with a faster …

Daily torpor and hibernation (multiday torpor) are the most efficient means for energy
conservation in endothermic birds and mammals and are used by many small species to …

The last 'hibernation book'was published in 1982, nearly 40 years ago, so clearly an update
was needed. The options were a book written by a single author or an edited book written by …

Many endotherms use torpor, saving energy by a controlled reduction of their body
temperature and metabolic rate. Some species (eg arctic ground squirrels, hummingbirds) …

Sexual selection drives the evolution of some of the most exaggerated traits in nature.
Studies on sexual selection often focus on the size of these traits relative to body size, but …

Many birds reduce rest-phase energy demands through heterothermy, physiological
responses involving facultative, reversible reductions in metabolic rate and body …

Torpor is thought to be particularly important for small endotherms occupying cold
environments and with limited fat reserves to fuel metabolism, yet among birds deep torpor …

Hummingbirds have two main foraging strategies: territoriality (defending a patch of flowers)
and traplining (foraging over routine circuits of isolated patches). Species are often classified …

For reproducing animals, maintaining energy balance despite thermoregulatory challenges
is important for surviving and successfully raising offspring. This is especially apparent in …

Torpor, or a regulated drop in body temperature and metabolic rate, allows animals to
inhabit energetically costly environments, but among torpor‐using species, we have a poor …