rock rattlesnake (Phoenix Zoo - Arizona Trail)

rock rattlesnake

Crotalus lepidus

Summary ⁷

Crotalus lepidus is a venomous pit viper species found in the southwestern United States and northern central Mexico. Four subspecies are currently recognized, including the nominate subspecies described here.

Range description ⁸

The species' range encompasses southeastern Arizona, southern New Mexico, southwestern Texas in the United States, and eastern Sonora, Chihuahua, Durango, eastern Sinaloa, Zacatecas, eastern Nayarit, northern Jalisco, Aguascalientes, western San Luis Potosi, western Nuevo Leon, Coahuila, and southwestern Tamaulipas in Mexico (Armstrong and Murphy 1979, Degenhardt et al. 1996, Ernst and Ernst 2003, Stebbins 2003, Campbell and Lamar 2004). Its elevational range extends from about 300 to 2,930 m asl (1,000 to 9,600 feet) (Stebbins 2003).

Iucn red list assessment ⁹

Red List Category

Least Concern

Red List Criteria

Version

3.1

Year Assessed

2007

Assessor/s

Hammerson, G.A., Frost, D.R. & Santos-Barrera, G.

Reviewer/s

Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)

Contributor/s

Justification

Listed as Least Concern in view of its wide distribution, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Fuentes y créditos

(c) Jerry Oldenettel, algunos derechos reservados (CC BY-NC-SA), http://www.flickr.com/photos/7457894@N04/3697546990
(c) Micheal Jewel, algunos derechos reservados (CC BY-NC), http://farm4.static.flickr.com/3235/2838683380_59995fd765.jpg
(c) Micheal Jewel, algunos derechos reservados (CC BY-NC-SA), http://farm4.static.flickr.com/3094/2848605905_a55b0a2bda.jpg
(c) lobo_de_la_sierra, algunos derechos reservados (CC BY-NC), subido por lobo_de_la_sierra
(c) 2010 Vicente Mata-Silva, algunos derechos reservados (CC BY), http://calphotos.berkeley.edu/cgi/img_query?seq_num=328175&one=T
(c) 2001 California Academy of Sciences, algunos derechos reservados (CC BY-NC-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=31805&one=T
(c) Wikipedia, algunos derechos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Crotalus_lepidus
(c) International Union for Conservation of Nature and Natural Resources, algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/28077659
(c) International Union for Conservation of Nature and Natural Resources, algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/28077658