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Bogertophis rosaliae (MOCQUARD, 1899)

IUCN Red List - Bogertophis rosaliae - Least Concern, LC
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Higher TaxaColubridae, Colubrinae, Lampropeltini, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Baja California Rat Snake
S: Ratonera de Baja California 
SynonymColuber rosaliae MOCQUARD 1899: 321
Elaphe rosaliae — STEJNEGER & BARBOUR 1917: 84
Elaphe rosaliae — SMITH & TAYLOR 1945: 60
Bogertophis rosaliae — DOWLING & PRICE 1988
Elaphe rosaliae — STEBBINS 1985: 244
Bogertophis rosaliae — LINER 1994
Elaphe rosaliae — SCHULZ 1996: 307
Bogertophis rosaliae — CROTHER 2000: 57
Bogertophis rosaliae — ERNST & ERNST 2003: 46
Bogertophis rosaliae — CROTHER et al. 2012
Bogertophis rosaliae — WALLACH et al. 2014: 100
Bogertophis rosaliae — HANSEN & SHEDD 2025 
DistributionUSA (California) [Schulz 1996]
Mexico (Baja California Sur)

Type locality: Mexico: Baja California, Santa Rosalia (Mocquard, 1899)  
Reproductionoviparous 
TypesType: Lost fide SMITH & TAYLOR 1945. 
DiagnosisUnfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 1426 characters), are available for collaborators and contributors. Please contact us for details. 
CommentRODRÍGUEZ-ROBLES & JESUS-ESCOBAR (1999) found that Bogertophis and Arizona are paraphyletic genera but recommend further studies to resolve their relationship.

Similar species: B. subocularis, 
EtymologyNamed after the type locality. 
References
  • Bezy, Robert L. 2025. Biogeography of the Peninsular Reptiles in California. SONORAN HERPETOLOGIST 38 (2): 71-80 - get paper here
  • Crother, B. I. 2000. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. Herpetological Circular 29: 1-82
  • 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
  • Dowling, H.G. and R. M. Price 1988. A proposed new genus for Elaphe subocularis and Elaphe rosaliae. The Snake 20: 52-63
  • Ernst, C.H. & Ernst, E.M. 2003. Snakes of the United States and Canada. Smithsonian Inst. Press, Washington, 668 pp.
  • Goldberg, S. R. & Mahrdt, C. R. 2012. Bogertophis rosaliae (Baja California rat snake) reproduction. Herpetological Review 43: 655 - get paper here
  • Hansen, Robert and Jackson D. Shedd 2025. California Amphibians and Reptiles. Princeton University Press, 528 pp., ISBN<br />9780691249087 (ebook) - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Kunz, K. 2015. Dauerbrenner im Terrarium: Nattern. Reptilia (Münster) 20 (115): 18-27 - get paper here
  • Murphy, R. W.; Ottley, J. R. 1984. Distribution of amphibians and reptiles on islands in the Gulf of California. Annals of the Carnegie Museum 53 (8): 207-230 - get paper here
  • Ottley, J.R. & E.E. Jacobsen 1983. Pattern and Coloration of Juvenile Elaphe rosaliae with Notes on Natural History Journal of Herpetology 17 (2): 189-191. - get paper here
  • Peralta-García A, Valdez-Villavicencio JH, Fucsko LA, Hollingsworth BD, Johnson JD, Mata-Silva V, Rocha A, DeSantis DL, Porras LW, and Wilson LD. 2023. The herpetofauna of the Baja California Peninsula and its adjacent islands, Mexico: composition, distribution, and conservation status. Amphibian & Reptile Conservation 17(1&2): 57–142
  • Pilliod, D., Jeffries, M., Arkle, R. and Olson, D. 2024. Climate Futures for Lizards and Snakes in Western North America May Result in New Species Management Issues. Ecol Evol, 14: e70379 - get paper here
  • Price R M 1990. Bogertophis rosaliae (Mocquard). Santa Rosalia snake. Catalogue of American Amphibians and Reptiles 498: 1-3 - get paper here
  • RODRÍGUEZ-ROBLES, JAVIER A. & JOSE´ M. DE JESUS-ESCOBAR 1999. Molecular systematics of New World lampropeltinine snakes (Colubridae): implications for biogeography and evolution of food habits. Biological Journal of the Linnean Society 68: 355–385 - get paper here
  • Schulz, K. D. 1996. Eine Monographie der Schlangengattung Elaphe Fitzinger. Bushmaster, Berg (CH): 1-460
  • Schulz, Klaus-Dieter 1996. A monograph of the colubrid snakes of the genus Elaphe Fitzinger. Koeltz Scientific Books, 439 pp.
  • Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston
  • Stejneger, L.H., and T. Barbour 1917. A Check List of North American Amphibians and Reptiles. Harvard University Press, Cambridge. 4: i-iv, 1-125 - get paper here
  • 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.
 
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