Color vision and visual sensitivity in the California ground squirrel (Citellus beecheyi).
D000221:Adaptation, Ocular; D000818:Animals; D001522:Behavior, Animal; D003118:Color Perception; D003119:Color Perception Tests; D004192:Discrimination, Psychological; D008297:Male; D012054:Reinforcement, Psychology; D012589:Sciuridae / Q000502:physiology*; D013053:Spectrophotometry