The Southwestern Naturalist includes scientific manuscripts that deal with living or fossil organisms, assemblages, or ecosystems that occur in Mexico, Central America, and the region of the United ...
Klauber, Laurence M. 1930. "Differential characteristics of southwestern rattlesnakes allied to Crotalus atrox." Bulletins of the Zoological Society of San Diego, (6) 1–72, pls. 1-6, map 1-3.
Innate avoidance responses by potential predators to color patterns of snakes have been reported. Predation that is nonrandom with respect to the phenotype of the prey species is a well-characterized ...