Role of visual imprinting in the emergence of specific filial attachments in ducklings.
D000161:Acoustic Stimulation; D000818:Animals; D000831:Animals, Newborn; D004192:Discrimination, Psychological; D004372:Ducks; D005106:Exploratory Behavior; D005239:Fear; D006185:Habituation, Psychophysiologic; D006799:Housing, Animal; D007173:Imprinting, Psychological; D010775:Photic Stimulation; D012919:Social Behavior; D014785:Vision, Ocular; D014828:Vocalization, Animal