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Salvadora hexalepis

From Wikipedia, the free encyclopedia
Species of snake

Western patch-nosed snake
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Order:Squamata
Suborder:Serpentes
Family:Colubridae
Genus:Salvadora
Species:
S. hexalepis
Binomial name
Salvadora hexalepis
(Cope, 1866)
Synonyms

Salvadora hexalepis, thewestern patch-nosed snake, is aspecies of non-venomouscolubridsnake, which isendemic to the southwestern United States and northern Mexico.[5]

Geographic range

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It is found in the southwestern United States in the states ofArizona, southernCalifornia,Nevada, southernNew Mexico, and southwesternTexas. It is also found in northern Mexico in the Mexican states ofBaja California,Baja California Sur,Chihuahua,Sinaloa, andSonora.[2]

Subspecies

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The following foursubspecies are recognized:[2]

Description

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At the end of the video, the snake feels threatened and strikes.

Adults ofSalvadora hexalepis are, on average, 20-46 inches (51–117 cm) in total length;[7] the record total length is 58 in (150 cm).[8]

They have a distinctive, thick scale curved back over the top of the snout, and free at the edges.[8]

All subspecies are yellowish with blackish lateral stripes in various arrangements.[9]

The dorsal scales are smooth, and the anal plate is divided.[8]

Behavior

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The western patch-nosed snake inhabitsariddeserts in its area. It feeds uponlizards, snakes,reptileeggs, and smallrodents.[10]

Eating a rodent

Reproduction

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4-10 eggs are laid during spring or early summer and hatch in August through September.[7]

References

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Wikimedia Commons has media related toSalvadora hexalepis.
  1. ^Hammerson, G.A. (2007)."Salvadora hexalepis".The IUCN Red List of Threatened Species.2007.IUCN: e.T63912A12726250.doi:10.2305/IUCN.UK.2007.RLTS.T63912A12726250.en. Retrieved10 January 2018.
  2. ^abcThe Reptile Database. www.reptile-database.org.
  3. ^Boulenger, G.A. 1896.Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ),... Trustees of the British Museum (Natural History). (Taylor and Francis, Printers.) London. xiv + 727 pp. + Plates I.- XXV. (Zamenis grahamiæ Var.hexalepis, p. 622.)
  4. ^Stejneger, L., andT. Barbour. 1917.A Checklist of North American Amphibians and Reptiles. Harvard University Press. Cambridge, Massachusetts. 125 pp. (Salvadora hexalepis, p. 81.)
  5. ^Smith, H.M., and E.D. Brodie, Jr. 1982.Reptiles of North America: A Guide to Field Identification. Golden Press. New York. 240 pp.ISBN 0-307-13666-3 (paperback). (Salvadora hexalepis, pp. 194-195.)
  6. ^Jennings, Mark R.; Hayes, Marc P. (1994-11-01). Amphibian and Reptile Species of Special Concern in California (Report). Rancho Cordova, California: California Department of Fish and Game, Inland Fisheries Division. p. 168.
  7. ^abWright, A.H., and A.A. Wright. 1957.Handbook of Snakes of the United States and Canada. Comstock. Ithaca and London. 1,105 pp. (in 2 volumes) (Salvadora hexalepis, pp. 651-663, Figures 190.-193. + Map 49. on p. 646.)
  8. ^abcSchmidt, K. P., & D.D. Davis. 1941.Field Book of Snakes of the United States and Canada. G.P. Putnam's Sons. New York. 365 pp. (Salvadora, pp. 135-139.)
  9. ^Zim, H.S., andH.M. Smith. 1956.Reptiles and Amphibians: A Guide to Familiar American Species: A Golden Nature Guide. Simon and Schuster. New York. 160 pp. ("Patch-nosed snakes", p. 88.)
  10. ^Conant, R. 1975.A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Houghton Mifflin. Boston. 429 pp.ISBN 0-395-19977-8 (paperback). ("GenusSalvadora", pp. 187-188.)

Further reading

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  • Bogert, C.M. 1935. "Salvadora grahamiae virgultea, a new subspecies of the patch-nosed snake".Bull. Southern California Acad. Sci.34 (1): 88-94.
  • Bogert, C.M. 1939. "A Study of the GenusSalvadora, the Patch-nosed Snakes".Publ. Univ. California at Los Angeles1: 177-236.
  • Bogert, C.M. "Two additional races of the patch-nosed snake,Salvadora hexalepis ".American Mus. Novitates (1285): 1-14. (Salvadora hexalepis klauberi andSalvadora hexalepis mojavensis, new subspecies)
  • Cope, E.D. 1866. "On the REPTILIA and BATRACHIA of the Sonoran Province of the Nearctic Region".Proc. Acad. Nat. Sci. Philadelphia18: 300-314. ("Phimothyra hexalepis n. sp. nov. [sic]", p. 304.)
Salvadora hexalepis
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