Social BehaviorMole RatsBiological EvolutionSociobiologyHierarchy, SocialSocial DominanceBeesBehavior, AnimalGroup StructureAntsViviparity, NonmammalianCultural EvolutionGroomingThysanopteraSpidersVasotocinWaspsIsopteraTerritorialityParasitesBody SizeSexual Behavior, AnimalPair BondReproductionPaternityGenetic FitnessCheirogaleidaeNesting BehaviorCooperative BehaviorBirdsSpecies SpecificityAnimal CommunicationPredatory BehaviorPopulation DynamicsEcosystemPhylogenyVocalization, AnimalAggressionMammalsPopulation DensityAdaptation, BiologicalFeeding BehaviorSelection, GeneticSocial EnvironmentGeographySex CharacteristicsMicrosatellite RepeatsBrainModels, Biological