FinchesVocalization, AnimalSongbirdsHigh Vocal CenterProsencephalonLearningSingingFadrozoleBirdsZimeldineSound SpectrographySexual Behavior, AnimalAuditory PathwaysAcoustic StimulationAuditory PerceptionBehavior, AnimalBeakBrainNeuronsMelopsittacusTelencephalonPasseriformesSex CharacteristicsCanariesClutch SizeAnimal Communication