Imprinting and exploration of slight novelty in chicks.
D000818:Animals; D000831:Animals, Newborn / Q000502:physiology*; D002645:Chickens; D003216:Conditioning, Operant; D005106:Exploratory Behavior; D007173:Imprinting, Psychological; D009043:Motor Activity; D010775:Photic Stimulation; D014796:Visual Perception