1-20 of 20
Keywords: heterothermy
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
J Exp Biol (2021) 224 (3): jeb141309.
Published: 03 February 2021
... . 10.1093/conphys/coz064 Boyles , J. G. and Warne , R. W. ( 2013 ). A novel framework for predicting the use of facultative heterothermy by endotherms . J. Theor. Biol. 336 , 242 - 245 . 10.1016/j.jtbi.2013.08.010 Boyles , J. G. , Thompson , A. B. , McKechnie , A. E...
Journal Articles
J Exp Biol (2021) 224 (1): jeb237743.
Published: 12 January 2021
... Highlighted Article: 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...
Journal Articles
J Exp Biol (2020) 223 (21): jeb231761.
Published: 03 November 2020
... 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 are...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (8): jeb214825.
Published: 22 April 2020
... availability, but it is slowed down by limited food and the resulting lower body 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...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (8): jeb220046.
Published: 20 April 2020
... (A.N., A. Huxtable, H. Reilly and D.J.M., in preparation). Reduction 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...
Journal Articles
J Exp Biol (2020) 223 (6): jeb211912.
Published: 23 March 2020
... for describing body temperature in endotherms . Physiol. Biochem. Zool.   92 , 365 - 372 . 10.1086/703420 Boyles , J. G. , Smit , B. and McKechnie , A. E. ( 2011 ). A new comparative metric for estimating heterothermy in endotherms . Physiol. Biochem. Zool.   84 , 115 - 123...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (6): jeb196691.
Published: 21 March 2019
... energy expended 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...
Journal Articles
J Exp Biol (2018) 221 (1): jeb171124.
Published: 10 January 2018
... 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...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (13): 2380–2386.
Published: 01 July 2017
... 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...
Journal Articles
J Exp Biol (2017) 220 (2): 220–226.
Published: 15 January 2017
... 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 of...
Journal Articles
J Exp Biol (2015) 218 (18): 2961–2969.
Published: 01 September 2015
.... Acute phase response Circadian variation Dose dependence Heterothermy LPS Sickness behaviour Taeniopygia guttata Zebra finch Fever, a closely regulated increase in the body's set-point temperature in response to infection, is an evolutionarily conserved defence mechanism ( Kluger et al...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (11): 1813–1820.
Published: 01 June 2011
.... 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...
Journal Articles
J Exp Biol (2011) 214 (3): 469–475.
Published: 01 February 2011
.... These results support the hypothesis that forager T th within the nest is correlated to broad-scale differences in foraging motivation. * Author for correspondence ( jnieh@ucsd.edu ) 21 10 2010 © 2011. 2011 thermoregulation heterothermy foraging waggle dance recruitment...
Journal Articles
J Exp Biol (2009) 212 (19): 3068–3075.
Published: 01 October 2009
...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 to...
Journal Articles
J Exp Biol (2009) 212 (12): 1801–1810.
Published: 15 June 2009
...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 ) and...
Journal Articles
J Exp Biol (2006) 209 (8): 1421–1429.
Published: 15 April 2006
...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 in...
Journal Articles
J Exp Biol (2004) 207 (1): 41–46.
Published: 01 January 2004
...: wooden@asu.edu ) 23 9 2003 © The Company of Biologists Limited 2004 2004 body temperature thermoregulation heterothermy locomotor capacity sprint speed limb cycling frequency force production round-tailed ground squirrel Spermophilus tereticaudus The locomotor...
Journal Articles
J Exp Biol (2003) 206 (9): 1471–1478.
Published: 01 May 2003
...Stéphane Ostrowski; Joseph B. Williams; Khairi Ismael SUMMARY To test the idea that large, free-living, desert ungulates use heterothermy to reduce water loss, we measured core body temperature( T b ) of six free-ranging, adult Arabian oryx ( Oryx leucoryx ) during 2 years in the arid desert of...
Journal Articles
J Exp Biol (2002) 205 (15): 2251–2266.
Published: 01 August 2002
... features including the structure of their swimming muscles and some form of regional endothermy,termed heterothermy. These heterothermies fall into two classes: those that maintain elevated temperatures in swimming muscles and those that have muscle-derived tissues specialized for delivering warm blood to...
Journal Articles
J Exp Biol (2002) 205 (14): 2099–2105.
Published: 15 July 2002
... the maximum body temperature was 0.80 W(25 %) at 10 °C, 0.71 W (33 %) at 20 °C and 0.40 W (47 %) at 30°C. This study demonstrates in several ways the ability of this species to adjust energy expenditure through heterothermy. The mean respiratory exchange ratio (RER) under post-absorptive...