Attributes / relations provided by
♦ 1Feeding ecology of North American gopher snakes (Pituophis catenifer, Colubridae), JAVIER A. RODRÍGUEZ-ROBLES, Biological Journal of the Linnean Society, 2002, 77, 165183
♦ 2Food Habit of the Glossy Snake, Arizona elegans, with Comparisons to the Diet of Sympatric Long-nosed Snakes, Rhinocheilus lecontei, Javier A. Rodríguez-Robles, Christopher J. Bell, Harry W. Greene, Journal of Herpetology, Vol. 33, No. 1, pp. 87-92, 1999