Body SizeBody ConstitutionMass SpectrometryBody Mass IndexBody WeightBiological EvolutionDinosaursBody Surface AreaBody Weights and MeasuresBody HeightBody ImageSpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometryFossilsLizardsClutch SizeBody CompositionObesityIguanasMammalsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationSpecies SpecificityBasal MetabolismSex CharacteristicsFeeding BehaviorPredatory BehaviorAnthropometryEcosystemFood ChainBirdsEnergy MetabolismPaleontologyWingModels, BiologicalLarvaExtinction, BiologicalEnvironmentPhylogenyReproductionFlight, AnimalSexual Behavior, AnimalOrgan SizeSmegmamorphaBeetlesCarnivoraBirth WeightRegression AnalysisRisk FactorsReptilesBeautyPopulation DensityInvertebratesLongevityAgingGeographyPhenotypeSex FactorsBiomechanical PhenomenaStrepsirhiniCompetitive BehaviorEcologyLinear ModelsAge FactorsAbsorptiometry, PhotonSelection, GeneticHornsTerritorialityLocomotionMating Preference, AnimalMolecular Sequence DataTime FactorsGrowthWaist-Hip RatioFertilityPerciformesThinnessAdipose TissueAnimal DistributionBeakIntegumentary SystemPersonal SatisfactionAdiposityCohort Studies