Visual sensitivity and color vision in ground squirrels.
D000221:Adaptation, Ocular; D000818:Animals; D003118:Color Perception; D003623:Dark Adaptation; D004193:Discrimination Learning; D010783:Photometry; D010786:Photoreceptor Cells / Q000502:physiology; D012054:Reinforcement, Psychology; D012168:Retinal Pigments / Q000502:physiology; D012589:Sciuridae / Q000502:physiology*; D013057:Spectrum Analysis
D012168:Retinal Pigments