How the brain controls birdsong.
D000818:Animals; D001522:Behavior, Animal / Q000502:physiology; D001717:Birds / Q000502:physiology*; D001921:Brain / Q000502:physiology*; D005260:Female; D008297:Male; D009473:Neuronal Plasticity; D013739:Testosterone / Q000502:physiology
D013739:Testosterone