TemperatureBody TemperatureBody Temperature RegulationCold TemperatureHot TemperatureSkin TemperatureHypothermiaThermometersFeverHibernationTelemetryShiveringThermographyCircadian RhythmSciuridaeThermogenesisSweatingThermometryHumidityHeat Stress DisordersHypothermia, InducedSeasonsHeatingTime FactorsAntipyreticsImmersionPyrogensPreoptic AreaMotor ActivityRectumThermosensingIncubators, InfantHeat StrokeEnergy MetabolismHypothalamusHeart RateBasal MetabolismThermoreceptorsBehavior, AnimalSleepInfrared RaysHydrogen-Ion ConcentrationWaterOxygen ConsumptionThermodynamicsN-Methyl-3,4-methylenedioxyamphetamineTransition TemperatureInjections, IntraventricularHyperthermia, InducedEatingThermal ConductivityCold ClimateAdaptation, PhysiologicalRespirationClothingBeluga WhaleRewarmingWakefulnessClimateLizardsCerebral VentriclesEar CanalEnvironment, ControlledAdipose Tissue, BrownMytilusDimensional Measurement AccuracyKineticsStress, PhysiologicalAlligators and CrocodilesComb and WattlesCarbon DioxideAirCold-Shock ResponseBody Temperature ChangesWater Loss, InsensibleCalorimetry, Differential ScanningBody WeightAcclimatizationEnvironmentPhotoperiodAnalysis of VarianceLightBathsSleep, REMAcetaminophenMelatoninRats, Sprague-DawleyFreezingTympanic MembraneEarMutationBrainModels, BiologicalMolecular Sequence DataWhale, KillerHeat-Shock ResponseClimate ChangeFeeding BehaviorSpecies SpecificityDose-Response Relationship, Drug