Southwestern blackhead snake
|Southwestern blackhead snake|
Taxonomy and Systematics
It was first described by Edward Harrison Taylor in 1936.
The southwestern blackhead snake is a small snake, growing to a maximum total length of 15 in (38 cm), but typically averaging around 8 in (20 cm) in total length.
Dorsally, it is uniformly brown in color, except for the black-colored head, which gives it its common name, and a cream-colored or white collar. On the belly, there is a broad reddish stripe, which runs down the center of the ventral scales.
The southwestern blackhead snake is found in the southwestern United States, in Arizona, California, Colorado, Nevada, New Mexico, Texas, and Utah, as well as in northern Mexico, in Chihuahua, and Coahuila, and Sonora.
In Prescott, Arizona, on August 1st, 2013
In Lady Lake, Florida it found on July 17th, 2014. 14 inches long.
- The Reptile Database. www.reptile-database.org.
- Stebbins, R.C. 2003. A Field Guide to Western Reptiles and Amphibians, Third Edition. The Peterson Field Guide Series ®. Houghton Mifflin. Boston and New York. xiii + 533 pp. ISBN 0-395-98272-3 (paperback). (Tantilla hobartsmithi, p. 400 + Figures 28 & 29 on p. 398 + Map 177 on p. 503.)
- "Tantilla hobartsmithi". Discover Life. Retrieved July 9, 2006.
- "Smith's Black-headed Snake". Retrieved March 22, 2013.
- Blanchard, F.N. 1938. Snakes of the Genus Tantilla in the United States. Zool. Ser. Field Mus. Nat. Hist. 20 (28): 369-376. ("Tantilla utahensis sp. nov.", p. 372.)
- Taylor, E.H. 1936. Notes and Comments on Certain American and Mexican Snakes of the Genus Tantilla, with Descriptions of New Species. Trans. Kansas Acad. Sci. 39: 335-348. (Tantilla hobartsmithi, p. 340.)
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