Twin Spotted Rattlesnake (Phoenix Zoo - Arizona Trail)

Twin Spotted Rattlesnake

Crotalus pricei

Summary ⁶

Crotalus pricei is a venomous pit viper species found in the United States and Mexico. Currently, two subspecies are recognized, including the nominate subspecies described here.

Range description ⁷

The species' range extends from southeastern Arizona in the United States (Chiricahua, Huachuca, Pinaleno, Dos Cabezas, and Santa Rita mountains) southward in Mexico through the Sierra Madre Occidental to northeastern Sonora, western Chihuahua, and Durango, and in the Sierra Madre Oriental of southeastern Coahuila, southern Nuevo Leon, southwestern Tamaulipas, and north-central San Luis Potosi, and in Aguascalientes (Prival et al. 2002, Campbell and Lamar 2004). Its elevational range is from 1,220 to 3,200 m asl (4,000 to 10,500 feet) (Stebbins 2003); lower limit is about 1,850 m according to Campbell and Lamar (2004). Prival et al. (2002) found this species at 2,530 to 2,900 m asl in the Chiricahua Mountains.

Iucn red list assessment ⁸

Red List Category

Least Concern

Red List Criteria

Version

3.1

Year Assessed

2007

Assessor/s

Hammerson, G.A., Vazquez DÃaz, J. & Quintero DÃaz, G.E.

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) francis crawley, algunos derechos reservados (CC BY), http://www.flickr.com/photos/53091040@N06/5374039916
(c) 2011 Todd Pierson, algunos derechos reservados (CC BY-NC), http://calphotos.berkeley.edu/cgi/img_query?seq_num=390253&one=T
(c) Flickr, algunos derechos reservados (CC BY-NC-SA), http://farm8.staticflickr.com/7145/6682496113_014957d76a_o.jpg
(c) John Sullivan, algunos derechos reservados (CC BY-NC), subido por John Sullivan
(c) francis crawley, algunos derechos reservados (CC BY), http://farm6.static.flickr.com/5124/5373439137_eab7b81a8a.jpg
(c) Wikipedia, algunos derechos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Crotalus_pricei
(c) International Union for Conservation of Nature and Natural Resources, algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/28077701
(c) International Union for Conservation of Nature and Natural Resources, algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/28077700