black-necked garter snake (Phoenix Zoo - Arizona Trail)

black-necked garter snake

Thamnophis cyrtopsis

Summary ⁴

Thamnophis cyrtopsis, the blackneck garter snake, is a species of garter snake of the genus Thamnophis, mainly found near water in mountainous or hilly areas of the southwestern United States and Mexico.

Range description ⁵

Range extends from southern Colorado and Utah south through Arizona, New Mexico, western and central Texas in the United States, and much of Mexico to Guatemala, at elevations from near sea level to around 2,700 meters (8,700 feet) (Webb 1980, Rossman et al. 1996, Stebbins 2003). The distribution is spotty in many areas.

Iucn red list assessment ⁶

Red List Category

Least Concern

Red List Criteria

Version

3.1

Year Assessed

2013

Assessor/s

Hammerson, G.A.

Reviewer/s

Bowles, P.

Contributor/s

Justification

Listed as Least Concern in view of the large and probably relatively stable extent of occurrence, area of occupancy, number of subpopulations, and population size. No major threats are known.

History

2007

Least Concern

Fuentes y créditos

(c) J. N. Stuart, algunos derechos reservados (CC BY-NC-ND), http://www.flickr.com/photos/21786539@N03/2779091574
(c) Todd Pierson, algunos derechos reservados (CC BY-NC-SA), https://calphotos.berkeley.edu/imgs/512x768/0000_0000/1011/0220.jpeg
(c) Ken-ichi Ueda, algunos derechos reservados (CC BY-NC), http://farm1.staticflickr.com/45/181322780_8b41652fed_o.jpg
(c) Wikipedia, algunos derechos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Thamnophis_cyrtopsis
(c) International Union for Conservation of Nature and Natural Resources, algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/28352363
(c) International Union for Conservation of Nature and Natural Resources, algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/28352362