Salvadora grahamiae

Salvadora grahamiae
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Salvadora
Species:	S. grahamiae
Binomial name
	Salvadora grahamiae; Baird & Girard, 1853
Synonyms
	Salvadora grahamiae; Baird & Girard, 1853; Phimothyra grahamiae; — Cope, 1879; Salvadora grahamiae; — Garman, 1884;

Last updated December 22, 2023

Salvadora grahamiae, also known commonly as the eastern patch-nosed snake and the mountain patchnose snake, is a species of snake in the family Colubridae. The species is native to the southwestern United States and adjacent northeastern Mexico.^[2]

Etymology

The specific name, grahamiae, is in honor of Colonel James Duncan Graham, United States Army Corps of Topographical Engineers.^[3]

Geographic range

S. grahamiae is found in Arizona, New Mexico, and Texas, and in the Mexican states of Chihuahua, Coahuila, Querétaro, Tamaulipas, and Veracruz.^[2]

Habitat

S. grahamiae occurs in a wide variety of habitats including forest, savanna, shrubland, grassland, and desert, at altitudes from sea level to 1,980 m (6,500 ft).^[1]

Description

S. grahamiae may attain a total length (including tail) of 47 in (120 cm). It has eight upper labials. The posterior chin shields touch or are separated by only one small scale.^[4]

Diet

S. grahamiae preys predominately upon lizards, especially those of the genus Aspidoscelis .^[5] It also eats reptile eggs, small snakes, nestling birds, and small mammals.^[6]

Reproduction

S. grahamiae is oviparous.^[2] Eggs are laid in April–June, and clutch size is 5–10.^[6]

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References

1 2 Hammerson, G.A.; Frost, D.R. (2007). "Salvadora grahamiae". IUCN Red List of Threatened Species . 2007: e.T63911A12726058. doi: 10.2305/IUCN.UK.2007.RLTS.T63911A12726058.en . Retrieved 6 July 2023.
1 2 3 4 Species Salvadora grahamiae at The Reptile Database www.reptile-database.org.
↑ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Salvadora grahamiae, p. 105).
↑ Smith HM, Brodie ED Jr (1982). Reptiles of North America: A Guide to Field Identification. (Illustrated by David M. Dennis and Sy Barlowe). New York: Golden Press. 240 pp. ISBN 0-307-13666-3 (paperback), ISBN 0-307-47009-1 (hardcover). (Salvadora grahamiae, pp. 19–4195).
↑ Schmidt KP, Davis DD (1941). Field Book of Snakes of the United States and Canada. New York: G.P. Putnam's Sons. 365 pp., 34 plates, 103 figures. (Salvadora grahamiae, pp. 136–139, Figure 35).
1 2 Stebbins RC (2003). A Field Guide to Western Reptiles and Amphibians, Third Edition. The Peterson Field Guide Series ®. Boston and New York: Houghton Mifflin Company. xiii + 533 pp. ISBN 978-0-395-98272-3. (Salvadora grahamiae, p. 357–358 + Plate 47, Figure 21 + Map 145).