Body TemperatureBody Temperature RegulationTemperatureCold TemperatureHot TemperatureSkin TemperatureHypothermiaFeverThermometersHibernationThermosensingThermographyTelemetryShiveringCircadian RhythmHumidityHypothermia, InducedThermoreceptorsSweatingSeasonsHeat Stress DisordersSciuridaeTime FactorsCold ClimateClimateThermogenesisThermal ConductivityThermometryHeatingRewarmingAntipyreticsHeart RateImmersionOxygen ConsumptionMotor ActivityClothingPyrogensWaterMentholBehavior, AnimalPreoptic AreaAcclimatizationAdaptation, PhysiologicalSleepRectumIncubators, InfantRespirationHeat StrokeEnergy MetabolismEnvironmentHypothalamusBasal MetabolismCarbon DioxideInfrared RaysLightHydrogen-Ion ConcentrationThermodynamicsTRPM Cation ChannelsN-Methyl-3,4-methylenedioxyamphetamineTransition TemperatureInjections, IntraventricularHyperthermia, InducedEatingClimate ChangeBeluga WhaleFreezingWakefulnessAnalysis of VarianceLizardsCerebral VentriclesBody WeightEar CanalEnvironment, ControlledIceAdipose Tissue, BrownMytilusDimensional Measurement AccuracyKineticsGreenhouse EffectStress, PhysiologicalAlligators and CrocodilesComb and WattlesTropical ClimateEcosystemAirWeatherCold-Shock ResponsePhysical ExertionBody Temperature ChangesModels, BiologicalRats, Sprague-DawleyWater Loss, InsensibleCalorimetry, Differential ScanningMolecular Sequence DataSpecies SpecificityPhotoperiodBathsInjections, JetSleep, REMSkin