Common name: Totonacan rattlesnake
Crotalus totonacus is a venomous pit viper species found in northeastern Mexico. No subspecies are currently recognized.
Description
Adults frequently grow to more than in length. The largest recorded specimen was in length.
Geographic range It is found in northeastern Mexico from central Nuevo León through southern Tamaulipas, northern Veracruz, eastern San Luis Potosí and northern Querétaro. The type locality given is "Panaco Island, about south of Tampico, Veracruz, Mexico, inland from Cabo Rojo".
Diet Crotalus totonacus is known to prey on small mammals and birds. In addition to mammal hair and bird feathers found in stomachs, specific prey items include cave rats (Neotoma sp.), Allen's tree squirrels (Sciurus alleni), and rock squirrels (Spermophilus [Otospermophilus] variegatus).Farr, William L., Manuel Nevárez de los Reyes, David Lazcano, and Sadot Edgardo. Ortiz-Hernández, 2015. Crotalus totonacus (Totonacan Rattlesnake). Diet. Herpetological Review 46(1): 103. Taxonomy This species was previously considered a subspecies of C. durissus.
References
Further reading Gloyd, H.K. and C.F. Kauffeld. 1940. A new rattlesnake from Mexico. Bull. Chicago Acad. Sci. 6 (2): 11-14 + one plate.