Attributes / relations provided by ♦1Spermophilus tridecemlineatus, Donald P. Streubel and James P. Fitzgerald, MAMMALIAN SPECIES No. 103, pp. 1-5 (1978) ♦2Food niche of Puma concolor in central Mexico, Octavio Monroy-Vilchis, Yuriana Gómez, Mariusz Janczur & Vicente Urios, Wildlife Biology 15: 97-105 (2009)