Totonacan Rattlesnake (Crotalus totonacus) in southern Tamaulipas, Mexico (10 July 2005).
Adults frequently grow to more than 150 cm (4 ft 11 in) in length. The largest recorded specimen was 166.5 cm (5 ft 5+1⁄2 in) in length.[3]
Geographic range
It is found in northeastern Mexico from central Nuevo León through southern Tamaulipas, northern Veracruz, eastern San Luis Potosí and northern Querétaro.[3] The type locality given is "Panaco Island, about 75 miles [120 km] south of Tampico, Veracruz, Mexico, 12 miles [19 km] inland from Cabo Rojo".[2]
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).[6]
^Marquez, L.C.; Mendoza-Quijano, F.; Díaz, G.Q.E. (2021). "Crotalus totonacus". IUCN Red List of Threatened Species. 2021: e.T197479A2488372. doi:10.2305/IUCN.UK.2021-3.RLTS.T197479A2488372.en. Retrieved 11 June 2024.
^ a b cMcDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
^ a b c dCampbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. 2 volumes. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.
^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.
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.