Nocturnal hypothermia and its energetic significance for small birds living in the arctic and subarctic regions. A review
RE Reinertsen - Polar Research, 1983 - Wiley Online Library
… Nocturnal hypothermia is demonstrated in a number of small northern birds. These birds
utilize hypothermia … In most bird species hypothermia is utilized only in conjunction with a state …
utilize hypothermia … In most bird species hypothermia is utilized only in conjunction with a state …
Nocturnal hypothermia impairs flight ability in birds: a cost of being cool
JM Carr, SL Lima - Proceedings of the Royal Society B …, 2013 - royalsocietypublishing.org
… of avian hypothermia have yet to be examined. We thus monitored the nocturnal hypothermia
of … Nocturnal flight tests were used to quantify the flight ability of hypothermic doves. Many …
of … Nocturnal flight tests were used to quantify the flight ability of hypothermic doves. Many …
Nocturnal hypothermia in fasting Japanese quail: the effect of ambient temperature
E Hohtola, R Hissa, A Pyörnilä, H Rintamäki… - Physiology & …, 1991 - Elsevier
… Reinertsen, RE Nocturnal hypothermia and its energetic significance for small birds living in
the … Nocturnal hypothermia and metabolism in the willow tit, Parus montanus, at 63NJ Comp. …
the … Nocturnal hypothermia and metabolism in the willow tit, Parus montanus, at 63NJ Comp. …
Regulated nocturnal hypothermia induced in pigeons by food deprivation
R Graf, S Krishna, HC Heller - American Journal of …, 1989 - journals.physiology.org
… nocturnal hypothermia was not due to exhaustion of metabolic reserves. It was therefore
possible that the induced nocturnal hypothermia … was that the nocturnal hypothermia seen in …
possible that the induced nocturnal hypothermia … was that the nocturnal hypothermia seen in …
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Nocturnal hypothermia in seasonally acclimatized mountain chickadees and juniper titmice
SJ Cooper, JA Gessaman - The Condor, 2005 - academic.oup.com
… use of nocturnal hypothermia in seasonally acclimatized small passerines. Our findings show
both species used nocturnal hypothermia year-round. Depth of hypothermia was inversely …
both species used nocturnal hypothermia year-round. Depth of hypothermia was inversely …
Nocturnal hypothermia and metabolism in the Willow TitParus montanus at 63° N
RE Reinertsen, S Haftorn - Journal of Comparative Physiology, 1983 - Springer
… basis was lowered considerably when the tits entered nocturnal hypothermia (Fig. 5). …
The observed nocturnal hypothermia was a controlled physiological response to low ambient …
The observed nocturnal hypothermia was a controlled physiological response to low ambient …
Different metabolic strategies of northern birds for nocturnal survival
RE Reinertsen, S Haftorn - Journal of Comparative Physiology B, 1986 - Springer
… When fed ad libitum, neither the Great tit nor the Common redpoll utilized nocturnal
hypothermia. The Willow tit lowered the body temperature to a value which was significantly …
hypothermia. The Willow tit lowered the body temperature to a value which was significantly …
Energy metabolism and nocturnal hypothermia in two tropical passerine frugivores, Manacus vitellinus and Pipra mentalis
GA Bartholomew, CM Vleck… - Physiological …, 1983 - journals.uchicago.edu
… The selection pressures that have favored the evolution of limited nocturnal hypothermia
are presumably not unique to manakins, and we predict that the major components of the …
are presumably not unique to manakins, and we predict that the major components of the …
Predictability of food supply modulates nocturnal hypothermia in a small passerine
JF Nilsson, JÅ Nilsson, J Broggi… - Biology …, 2020 - royalsocietypublishing.org
… nocturnal hypothermia, but the response differed between the sexes. Whereas male nocturnal
… ‘unpredictable' food supply entered deeper hypothermia at night, compared with females …
… ‘unpredictable' food supply entered deeper hypothermia at night, compared with females …
The costs of being cool: a dynamic model of nocturnal hypothermia by small food‐caching birds in winter
VV Pravosudov, JR Lucas - Journal of Avian Biology, 2000 - Wiley Online Library
… Our model predicts that birds using nocturnal hypothermia should enter nocturnal rest
with lower fat reserves than those not being able to use hypothermia at any level of night …
with lower fat reserves than those not being able to use hypothermia at any level of night …
Energetics, thermoregulation and nocturnal hypothermia in Australian silvereyes
TA Maddocks, F Geiser - The Condor, 1997 - academic.oup.com
… shows nocturnal hypothermia. It provides the first detailed data on nocturnal hypothermia in
an … This decrease in MR and T, is similar to that recorded for nocturnal hypothermia in other …
an … This decrease in MR and T, is similar to that recorded for nocturnal hypothermia in other …
Physiological and ecological aspects of hypothermia
RE Reinertsen - Avian energetics and nutritional ecology, 1996 - Springer
… in nocturnal hypothermia than in daily torpor. Basically … During nocturnal hypothermia, body
temperature is typically … Although birds can enter nocturnal hypothermia at any season of the …
temperature is typically … Although birds can enter nocturnal hypothermia at any season of the …
Is 'nocturnal hypothermia' a valid physiological concept in small birds?: a study on Bronze Mannikins Spermestes cucullatus
BG Lovegrove, GA Smith - Ibis, 2003 - Wiley Online Library
… The question we need to ask is why this light–dark metabolic response should be termed
nocturnal hypothermia when the birds emerged from a depressed rest-phase physiological …
nocturnal hypothermia when the birds emerged from a depressed rest-phase physiological …
The effect of short-time fasting on metabolism and nocturnal hypothermia in the Willow TitParus montanus
RE Reinertsen, S Haftorn - Journal of Comparative Physiology B, 1984 - Springer
… The term hypothermia in this paper ils used according to the … utilizes hypothermia in order to
minimize its nocturnal energy … the Willow Tit exhibits nocturnal hypothermia even when an ex…
minimize its nocturnal energy … the Willow Tit exhibits nocturnal hypothermia even when an ex…
The effect of ambient temperature and simulated predation risk on fasting-induced nocturnal hypothermia of pigeons in outdoor conditions
M Laurila, E Hohtola - Journal of Thermal Biology, 2005 - Elsevier
… nocturnal T b did not correlate with T a . In fasted birds, a well-defined nocturnal hypothermia
… The depth of fasting-induced nocturnal hypothermia increased with decreasing temperature…
… The depth of fasting-induced nocturnal hypothermia increased with decreasing temperature…
Nocturnal hypothermia and oxygen consumption in manakins
TL Bucher, A Worthington - The Condor, 1982 - academic.oup.com
… Hypothermia (lowered body temperature) has been … Degrees of hypothermia have been
documented in at least eight … cycles and the varying degrees of nocturnal hypothermia (T,,‘s as …
documented in at least eight … cycles and the varying degrees of nocturnal hypothermia (T,,‘s as …
Coping with food-limited conditions: feeding behavior, temperature preference, and nocturnal hypothermia in pigeons
J Ostheim - Physiology & behavior, 1992 - Elsevier
… of the pigeons gradually decreased and nocturnal hypothermia occurred. Interrelated to
nocturnal hypothermia, the birds changed their Ta preference. Only when their b.wt. had …
nocturnal hypothermia, the birds changed their Ta preference. Only when their b.wt. had …
Coping with rising food costs in a closed economy: Feeding behavior and nocturnal hypothermia in pigeons
ME Rashotte, D Henderson - Journal of the experimental …, 1988 - Wiley Online Library
… , nocturnal hypothermia is a response to the depletion of energy reserves, the depth of
hypothermia … In contrast to the lack of knowledge about hypothermia in the closed economy, there …
hypothermia … In contrast to the lack of knowledge about hypothermia in the closed economy, there …
Nocturnal hypothermia in rosy finches
DT Clemens - Condor, 1989 - JSTOR
… Nocturnal hypothermia sufficient to induce torpor is relatively uncommon in birds, but is …
Under these conditions, nocturnal hypothermia could be an important mechanism for reducing …
Under these conditions, nocturnal hypothermia could be an important mechanism for reducing …
Nocturnal hypothermia in gray jays Perisoreus canadensis wintering in interior Alaska
TA Waite - Ornis Scandinavica, 1991 - JSTOR
… the extent of nocturnal hypothermia in Gray Jays wintering in … Whether the difference in
the degree of hypothermia … first evidence of nocturnal hypothermia among the Corvidae. …
the degree of hypothermia … first evidence of nocturnal hypothermia among the Corvidae. …