SongbirdsVocalization, AnimalFinchesVocal CordsStarlingsHigh Vocal CenterSound SpectrographyAnimal CommunicationAcousticsLearningSpeechAuditory PerceptionVocal Cord ParalysisSingingPhonationSparrowsBehavior, AnimalCanariesAnimal MigrationVoice QualityVoiceFeeding BehaviorSexual Behavior, AnimalProsencephalonSocial BehaviorVoice DisordersLarynxAuditory PathwaysLaryngeal DiseasesBasal GangliaPasseriformesLaryngeal MusclesBirdsLaryngeal MucosaParrotsTerritorialityLaryngoscopyHealth BehaviorTelencephalonAcoustic StimulationGlottisBehaviorNesting BehaviorStereotyped BehaviorEthologyVoice TrainingBeakParakeetsDysphoniaAir SacsSexual BehaviorBrainSoundSeasonsSpeech AcousticsChild BehaviorAggressionExploratory BehaviorAdolescent BehaviorNeural PathwaysMaternal BehaviorBehavior TherapyNeuronsKymographyChild Behavior DisordersAmblyceraMauritaniaTime FactorsFeathersFeedback, SensoryMoltingRadarSpeech Production MeasurementAuditory CortexVibrationPhotoperiodPredatory BehaviorReproductionTape RecordingModels, BiologicalPattern Recognition, PhysiologicalEfferent PathwaysMotor ActivityNeostriatumSpecies SpecificityAnalysis of VarianceFadrozoleChoice BehaviorIschnoceraVocal Cord DysfunctionRecurrent Laryngeal NerveSex CharacteristicsAgonistic BehaviorFlight, AnimalCrowsNeuronal PlasticityRisk-TakingBird DiseasesHearing