title: VISUAL-CLIFF EXPERIMENT WITH MOTHERED AND UNMOTHERED LAMBS.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D003867:Depth Perception; D007173:Imprinting, Psychological; D012756:Sheep; D034561:Sheep, Domestic
keywords: BEHAVIOR, ANIMAL; DEPTH PERCEPTION; IMPRINTING (PSYCHOLOGY); SHEEP