Selective choice between double prey objects by frogs.
D000374:Aggression; D000818:Animals; D001001:Anura; D004215:Distance Perception; D005247:Feeding Behavior; D006801:Humans; D009433:Neural Inhibition; D009949:Orientation; D011894:Rana pipiens; D011930:Reaction Time; D012399:Rotation; D013239:Stereotyped Behavior; D013477:Superior Colliculi / Q000502:physiology; D014794:Visual Fields; D014795:Visual Pathways / Q000502:physiology*; D014796:Visual Perception