title: An ethological theory of the origin of vocal learning.
mesh_terms: D000818:Animals; D001307:Auditory Perception; D005075:Biological Evolution; D001717:Birds; D002648:Child; D002675:Child, Preschool; D005010:Ethology; D005246:Feedback; D005260:Female; D000882:Haplorhini; D049690:History, Ancient; D015186:Hominidae; D006801:Humans; D007223:Infant; D007323:Instinct; D007804:Language Development; D007858:Learning; D008297:Male; D008954:Models, Biological; D011323:Primates; D013060:Speech; D014828:Vocalization, Animal