... heating, but do not need to lower their metabolism very much in torpor. Daily energy expenditure Heterothermy Huddling Oxygen consumption Social thermoregulation Torpor Narodowe Centrum Nauki http://dx.doi.org/10.13039/501100004442 DEC-2013/10/E/NZ8/00725 University...

... the activity of key aerobic enzymes. Heterothermy Avian Thermoregulation Daily torpor Natural Sciences and Engineering Research Council of Canada http://dx.doi.org/10.13039/501100000038 RGPIN-2020-06421 RGPIN-2020-07204 Western University http://dx.doi.org/10.13039...

... hibernation behaviour could allow this species to maintain water balance across a range of humidities. Heterothermy Huddling behaviour Evaporative water loss Hibernation Eptesicus fuscus Natural Sciences and Engineering Research Council of Canada http://dx.doi.org/10.13039/501100000038...

... with controls in great tits. Heterothermy Thermoregulation Endotherm PIT tag Parus major RFID Royal Physiographic Society 42353 2017-39034 Vetenskapsrådet http://dx.doi.org/10.13039/501100004359 2020-04686 Lund University http://dx.doi.org/10.13039/501100003252...

... environmental temperatures: does this division limit our ability to predict the impacts of changing temperatures on endotherm performance? Temperature Heterothermy Thermal profiles Scholander–Irving model Critical limits Thermal tolerance Over the last few decades, there has been a concerted...

...: Precocial birds incubated at low temperature take longer to develop cold tolerance, with possible costs for energy acquisition in early life. Body temperature Development Endothermy Heterothermy Life history Poultry Thermoregulation The demands of avian incubation often parallel, or even...

... quail Cotu r nix chinensis Heterothermy Thermal energetics The majority of mammals and birds are homeothermic endotherms as adults, and rely on endogenous heat production to keep a constant, high body temperature ( T b ; Yahav, 2015 ). However, at birth or hatching, most endotherms...

... mass. Vespertilio murinus Energetic trade-off Body condition Spermatogenesis Heterothermy Living in seasonal, often unpredictable environments is challenging for many animals. The optimization of assimilated energy allocation among competing life-history traits is central...

... in peripheral temperature by shunting blood flow to the core (local heterothermy) can lead to significant energy savings in variable environments ( Hagan and Heath, 1980 ; Steen and Steen, 1965 ; Tattersall et al., 2016 ). In birds, the legs, bill and eyes are usually unfeathered and are, therefore, key...

... http://www.biologists.com/user-licence-1-1/ Highlighted Article: During the recovery process of survivors of white-nose syndrome, bats exhibited rapid mass gain and tissue healing. Healing appears to cause a trade-off between energy conservation and recovery. Healing Heterothermy...

... by migratory bats during daytime roosting at stopovers is independent of ambient temperature as a result of facultative adjustment of torpor. Chiroptera Heterothermy Energy budget Thermoregulation Behavioural and physiological differences among species can lead to divergent migration patterns...

... to cold, particularly in Arctic birds. Here, we have studied the potential use of local heterothermy (i.e. tissue cooling that can contribute to significantly lower heat loss rate) in Svalbard ptarmigan ( Lagopus muta hyperborea ) – the world's northernmost land bird. We exposed birds kept under simulated...

... prone to using facultative heterothermy than generalists. We tested this hypothesis at the intraspecific level using male laboratory mice (C57BL/cmdb) fasted under different thermal conditions (20 and 10°C) and for different time periods (12–48 h). We predicted that variability of body temperature ( T b...

... in response to a combination of fire cues (food restriction, smoke and a charcoal/ash substrate), indicating a previously unrecognised regulatory mechanism for thermal biology in mammals. Activity Behaviour Fire Heterothermy Mammal Physiology The physiological and behavioural responses...

... ). Acute phase response Circadian variation Dose dependence Heterothermy LPS Sickness behaviour Taeniopygia guttata Zebra finch Summary: Circadian variation in body temperature is associated with (mimicked) infection; small songbirds may balance fever responses depending on their metabolic...

.... This effect correlated better with the time of the year than with proximate thermal stressors, suggesting that either season itself or some factor correlated with season, such as food availability, caused the change. Water saving has been proposed as a selective advantage of heterothermy in other large...

.... These results support the hypothesis that forager T th within the nest is correlated to broad-scale differences in foraging motivation. * Author for correspondence ( [email protected] ) 21 10 2010 © 2011. 2011 thermoregulation heterothermy foraging waggle dance recruitment honey bee...

...Michał S. Wojciechowski; Berry Pinshow SUMMARY For small endothermic animals, heterothermy serves as an energy-saving mechanism for survival in challenging environments, but it may also accelerate fat accumulation in individuals preparing for fuel-demanding activities. This is the first study...

...Danielle L. Levesque; Glenn J. Tattersall SUMMARY Mammalian heterotherms are known to be more tolerant of low oxygen levels than homeotherms. However, heterotherms demonstrate extreme seasonality in daily heterothermy and torpor expression. Because hypoxia depresses body temperature ( T b...

...Stéphane Ostrowski; Joseph B. Williams SUMMARY To test whether free-living desert ungulates employ heterothermy to reduce water loss, we measured core body temperature ( T b ) of six free-living Arabian sand gazelles ( Gazella subgutturosa marica ), a small desert antelope (12–20 kg) that lives...