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Tantilla hobartsmithi TAYLOR, 1937

IUCN Red List - Tantilla hobartsmithi - Least Concern, LC
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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Southwestern Blackhead Snake
S: Culebra Cabeza Negra del Suroeste 
SynonymTantilla hobartsmithi TAYLOR 1936: 340
Tantilla utahensis BLANCHARD 1938
Tantilla utahensis — BAKER & BRADLEY 1966
Tantilla planiceps utahensis — TANNER 1966: 134.
Tantilla hobartsmithi — STEBBINS 1985: 218
Tantilla hobartsmithi — CONANT & COLLINS 1991: 222
Tantilla hobartsmithi — LINER 1994
Tantilla hobartsmithi — ERNST & ERNST 2003: 349
Tantilla hobartsmithi — LINER 2007
Tantilla hobartsmithi — WILSON & MATA-SILVA 2014: 36
Tantilla hobartsmithi — WALLACH et al. 2014: 701 
DistributionUSA (California, S Nevada, Utah, Arizona, S New Mexico, SW Texas, Colorado),
Mexico (Sonora, E Chihuahua, N Coahuila, Nuevo León)

Elevation: 0-1981 m (WILSON & MATA-SILVA 2014)

Type locality: Mexico: La Posa, near Guaymas, Sonora.  
Reproductionoviparous 
TypesHolotype: INHS (= UIMNH) 25066 (4558); CAS 55214; E. H. Taylor; July 3, 1934 (fide PHILLIPS 2003)
Holotype: CAS 55214, paratype: BYU [utahensis] 
DiagnosisAdditional details, e.g. a detailed description or comparisons (2220 characters), are available for collaborators and contributors. Please contact us for details. 
Comment 
EtymologyThe name hobartsmithi is a patronym honoring Hobart Muir Smith (1912–2013), the American herpetologist considered to be the father of Mexican herpetology, among his many other accomplishments. See also Chiszar et al. 2004 for biographical notes. 
References
  • Baker, Lee R.;Bradley, W. Glen 1966. Tantilla utahensis Blanchard in Clark County, Nevada. Southwestern Naturalist 11 (2): 308 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Bezy, Robert L. and Charles J. Cole 2014. Amphibians and Reptiles of the Madrean Archipelago of Arizona and New Mexico. American Museum Novitates (3810): 1-24 - get paper here
  • Blanchard, Frank N. 1938. Snakes of the genus Tantilla in the United States. Zoological Series of Field Museum of Natural History 20 (28): 369-376 - get paper here
  • CHISZAR, DAVID; EDWIN MCCONKEY, AND MARGARET M. STEWART 2004. Historical perspectives: Hobart Muir Smith. Copeia 2004 (2): 418–424 - get paper here
  • Clause, Adam G. and Philip Clevinger. 2015. Geographic Distribution: Tantilla hobartsmithi (Smith's black-headed snake). Herpetological Review 46 (1): 63 - get paper here
  • Cole C J; Hardy L M 1983. Tantilla hobartsmithi Taylor. Smith's black-headed snake. Catalogue of American Amphibians and Reptiles ( 318: 1-2 - get paper here
  • Conant,R. & Collins,J.T. 1991. A Field Guide to Reptiles and Amphibians of Eastern/Central North America, 3rd ed. Houghton Mifflin (Boston/New York), xx + 450 p.
  • Crother, B. I. (ed.) 2012. Standard Common and Current Scientific Names for North American Amphibians, Turtles, Reptiles, and Crocodilians, Seventh Edition. Herpetological Circular 39: 1-92
  • Davis DR, LaDuc TJ 2018. Amphibians and reptiles of C. E. Miller Ranch and the Sierra Vieja, Chihuahuan Desert, Texas, USA. ZooKeys 735: 97-130 - get paper here
  • Degenhardt, William G.; C. W. Painter, and A. H. Price 1996. Amphibians and reptiles of New Mexico. Univ. New Mexico Press, 431 pp.
  • Dixon, James R. 2000. Amphibians and reptiles of Texas, second edition. Texas A&M University Press, 421 pp.
  • Ernst, C.H. & Ernst, E.M. 2003. Snakes of the United States and Canada. Smithsonian Inst. Press, Washington, 668 pp.
  • Hammerson, Geoffrey A.;Benedict, Audrey D. 1998. Geographic Distribution. Tantilla hobartsmithi. Herpetological Review 29 (1): 55 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Hernandez T, Herr MW, Stevens S, Cork K, Medina-Nava C, Vialpando CJ, Warfel T, Fields N, Brodie C, Graham SP 2019. New distribution records for amphibians and reptiles in eastern Chihuahua, Mexico. Check List 15(1): 79-86 - get paper here
  • Lazcano D, Nevárez-de los Reyes M, García-Padilla E, Johnson JD, Mata-Silva V, DeSantis DL, Wilson LD. 2019. The herpetofauna of Coahuila, Mexico: composition, distribution, and conservation status. Amphibian & Reptile Conservation 13(2) [General Section]: 31–94 (e189) - get paper here
  • Lemos-Espinal JA, Smith GR, Rorabaugh JC 2019. A conservation checklist of the amphibians and reptiles of Sonora, Mexico, with updated species lists. ZooKeys 829: 131-160 - get paper here
  • Liner, Ernest A. 2007. A CHECKLIST OF THE AMPHIBIANS AND REPTILES OF MEXICO. Louisiana State University Occasional Papers of the Museum of Natural Science 80: 1-60 - get paper here
  • McCoy, C. J.;Knopf, Garry N.;Walker, J. Martin 1964. The snake Tantilla utahensis Blanchard: An addition to the fauna of Colorado. Herpetologica 20 (2): 135-136 - get paper here
  • MCKEEVER, ROBERT W. & JASON L. JONES. 2022. TANTILLA HOBARTSMITHI (Smith’s Black headed Snake). PREDATION. Herpetological Review 53 (2): 348.
  • Nevárez-de los Reyes; Manuel, David Lazcano, Javier Banda-Leal and Ian Recchio 2014. Notes on Mexican Herpetofauna 22: Herpetofauna of the Continental Portion of the Municipality of Hermosillo, Sonora, Mexico. Bull. Chicago Herp. Soc. 49(8):105-115 - get paper here
  • Nevárez-de-los-Reyes, Manuel, David Lazcano, Elí García-Padilla, Vicente Mata-Silva, Jerry D. Johnson and Larry David Wilson. 2016. The Herpetofauna of Nuevo León, Mexico: Composition, Distribution, and Conservation. Mesoamerican Herpetology 3 (3): 558–638 - get paper here
  • Painter, Charles W.;Tomberlin, Barney R.;Gee, Jeffery H. 1997. Tantilla hobartsmithi (Southwestern Black-headed Snake) and Tantilla nigriceps (Plains Black-headed Snake). Coloration. Herpetological Review 28 (2): 91 - get paper here
  • Phillips, C.A. 2003. HERPETOLOGICAL TYPE-SPECIMENS IN THE UNIVERSITY OF ILLINOIS MUSEUM OF NATURAL HISTORY: AN UPDATE TO THE PRIMARY TYPES. [type catalogue] University of Illinois Museum of Natural History, 17 pp.
  • Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston
  • STOCKING, STEPHEN; SETH WILLIAMS & JASON L. JONES. 2022. Geographic distribution: TANTILLA HOBARTSMITHI (Smith’s Black Headed Snake). USA: NEVADA: Lincoln Co. Herpetological Review 53 (3): 448.
  • Tanner, Wilmer W. 1954. Herpetological notes concerning some reptiles of Utah and Arizona. Herpetologica 10: 92-96 - get paper here
  • Taylor, Edward H. 1937. Notes and comments on certain American and Mexican snakes of the genus Tantilla, with descriptions of new species. Transactions of the Kansas Academy of Science 39 [1936]: 335-348 - get paper here
  • Taylor, Edward Harrison 1938. Notes on the herpetological fauna of the Mexican state of Sonora. Univ. Kansas Sci. Bull. 24 (19): 475-503 [1936] - get paper here
  • Taylor-Young, M. 2011. The Guide to Colorado Reptiles and Amphibians. Fulcrum Publishing, Golden, Colorado, 169 pp.
  • Tennant, A. 2003. Snakes of North America - Eastern and Central Regions, revised edition. Lone Star Books, 605 pp.
  • Tennant, A. & Bartlett, R.D. 2000. Snakes of North America - Eastern and Central Regions. Gulf Publishing, Houston, TX, 588 pp.
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Werler, John E. & James R. Dixon 2000. Texas Snakes. University of Texas Press, 544 pages
  • Wilson, Larry David and Vicente Mata-Silva 2015. A checklist and key to the snakes of the Tantilla clade (Squamata: Colubridae), with comments on distribution and conservation. Mesoamerican Herpetology 2 (4): 418 - get paper here
  • Wilson, Larry David and Vicente Mata-Silva. 2014. Snakes of the genus Tantilla (Squamata: Colubridae) in Mexico: taxonomy, distribution, and Conservation. Mesoamerican Herpetology 1 (1): 5-95 - get paper here
 
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