title: Comparison of differential reinforcement of low rates (DRL) performance in pigeons (Columba livia) and crows (Corvus brachyrhynchos).
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000502:physiology*; D003118:Color Perception; D010856:Columbidae / Q000502:physiology*; D003216:Conditioning, Operant; D004192:Discrimination, Psychological; D005108:Extinction, Psychological; D005247:Feeding Behavior; D007266:Inhibition, Psychological; D010775:Photic Stimulation; D012055:Reinforcement Schedule; D013045:Species Specificity; D013997:Time Factors