Prenatal auditory discrimination in the wood duck.
D000161:Acoustic Stimulation; D000818:Animals; D001307:Auditory Perception; D004192:Discrimination, Psychological; D004372:Ducks / Q000196:embryology*; D004625:Embryo, Nonmammalian / Q000502:physiology*; D006339:Heart Rate; D007185:Incubators; D009043:Motor Activity; D013045:Species Specificity; D014828:Vocalization, Animal