Salvadora hexalepis

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

View Printer Friendly

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	REPTILIA	SQUAMATA	COLUBRIDAE

Scientific Name:

Salvadora hexalepis

Species Authority:

(Cope, 1866)

Common Name/s:

English

–

Western Patch-nosed Snake, Western Patchnose Snake

Taxonomic Notes:

The Big Bend Patchnose Snake, S. hexalepis deserticola, has been considered a distinct species (S. deserticola) by some authors. Crother et al. (2000) and Stebbins (2003) treated deserticola as a subspecies. We treat it here as a good species.

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Published:	2007
Assessor/s:	Hammerson, G.A.
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 the large and relatively stable extent of occurrence, area of occupancy, number of subpopulations, and population size. No major threats exist for this species.

Geographic Range [top]

Range Description:	The range of this species extends from southern and eastern California, western and southern Nevada, and extreme southwestern Utah south through Arizona, southern New Mexico, and southwestern Texas in the United States, to the tip of Baja California, southern Sinaloa, and Chihuahua, Mexico, at elevations ranging from below sea level in desert sinks to 2,135 m asl (7,000 feet) (Stebbins 2003).
Countries:	Native: Mexico; United States
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	This species is represented by a large number of occurrences or subpopulations. The total adult population size is unknown but probably exceeds 100,000. It is common in many parts of its range, but uncommon in Texas (Tennant 1984, 1998). Its extent of occurrence, area of occupancy, number of subpopulations, and population size are probably relatively stable.
Population Trend:	Stable

Habitat and Ecology [top]

Habitat and Ecology:	The species' habitat consists of sandy and rocky areas of plains and lower mountain slopes; creosote bush desert, ocotillo-yucca-agave flats, mesquite dominated washes, tobosa-grama grassland, broken upland terrain, succulent desert, partially dry streambeds of foothills and mesas, sagebrush semi-desert, chaparral, pinyon-juniper woodland; this snake is mainly terrestrial but sometimes climbs into vegetation (Behler and King 1979, Degenhardt et al. 1996, Stebbins 2003).
Systems:	Terrestrial

Habitat and Ecology:

The species' habitat consists of sandy and rocky areas of plains and lower mountain slopes; creosote bush desert, ocotillo-yucca-agave flats, mesquite dominated washes, tobosa-grama grassland, broken upland terrain, succulent desert, partially dry streambeds of foothills and mesas, sagebrush semi-desert, chaparral, pinyon-juniper woodland; this snake is mainly terrestrial but sometimes climbs into vegetation (Behler and King 1979, Degenhardt et al. 1996, Stebbins 2003).

Systems:

Terrestrial

Threats [top]

Major Threat(s):	No major threats are known for this species.

Major Threat(s):

No major threats are known for this species.

Conservation Actions [top]

Conservation Actions:	Many occurrences of this species are in protected areas.

Conservation Actions:

Many occurrences of this species are in protected areas.

Citation:	Hammerson, G.A. 2007. Salvadora hexalepis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 26 May 2013.
Disclaimer:	To make use of this information, please check the <Terms of Use>.
Feedback:	If you see any errors or have any questions or suggestions on what is shown on this page, please fill in the feedback form so that we can correct or extend the information provided