Attributes / relations provided by
♦ 1Spermophilus variegatus, Emily C. Oaks, Paul J. Young, Gordon L. Kirkland, Jr., and David F. Schmidt, MAMMALIAN SPECIES No. 272, pp. 1-8 (1987)
♦ 2Food Habits of Rodents Inhabiting Arid and Semi-arid Ecosystems of Central New Mexico, ANDREW G. HOPE AND ROBERT R. PARMENTER, Special Publication of the Museum of Southwestern Biology, NUMBER 9, pp. 1–75 (2007)