Animalia > Chordata > Reptilia > Squamata > Natricidae > Thamnophis > Thamnophis sirtalis

Thamnophis sirtalis (Common Garter Snake)


Wikipedia Abstract

The common garter snake (Thamnophis sirtalis) is a species of natricine snake, which is indigenous to North America and found widely across the continent. Most common garter snakes have a pattern of yellow stripes on a brown or green background, and their average total length (including tail) is about 55 cm (22 in), with a maximum total length of about 137 cm (54 in). The average body mass is 150 g (5.3 oz).
View Wikipedia Record: Thamnophis sirtalis


Thamnophis sirtalis annectens (Texas gartersnake)
Thamnophis sirtalis concinnus (Red-spotted gartersnake)
Thamnophis sirtalis dorsalis (New Mexico gartersnake)
Thamnophis sirtalis fitchi (Valley gartersnake)
Thamnophis sirtalis infernalis (California red-sided gartersnake)
Thamnophis sirtalis lowei (Gartersnake)
Thamnophis sirtalis pallidulus (Maritime Garter Snake)
Thamnophis sirtalis parietalis (Red-sided gartersnake)
Thamnophis sirtalis pickeringii (Gartersnake)
Thamnophis sirtalis semifasciatus
Thamnophis sirtalis similis (Blue-striped gartersnake)
Thamnophis sirtalis sirtalis (Eastern gartersnake)
Thamnophis sirtalis tetrataenia (San Francisco gartersnake)


Adult Weight [1]  150 grams
Diet [2]  Carnivore
Female Maturity [1]  2 years
Male Maturity [1]  2 years
Gestation [1]  3 months 10 days
Hibernates [2]  Yes
Litter Size [3]  17
Maximum Longevity [1]  14 years


Protected Areas

+ Click for partial list (100)Full list (116)


Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States No

Emblem of


Prey / Diet

Prey / Diet Overlap




Parasitized by 
Macracanthorhynchus ingens[10]
Ophioxenos singularis <Unverified Name>[10]
Rhabdias fuscovenosa[10]
Telorchis corti <Unverified Name>[10]

Institutions (Zoos, etc.)

Range Map


USA (Alabama, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, NW Nevada, N;

External References



Attributes / relations provided by
1de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
2Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at
3A neglected life-history trait: clutch-size variance in snakes, R. Shine and R. A. Seigel, J. Zool. Lond. (1996) 239, 209-223
4Resources of a Snake Community in Prairie-Woodland Habitat of Northeastern Kansas, Henry S. Fitch, U.S Fish and Wildlife Service, Wildlife Research Report 13: 83-98 (1982)
5Study of Northern Virginia Ecology
6Anurans as prey: an exploratory analysis and size relationships between predators and their prey, L. F. Toledo, R. S. Ribeiro & C. F. B. Haddad, Journal of Zoology 271 (2007) 170–177
7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
8Brodie, Edmund D., III, et al. "Sex-biased predation on newts of the genus Taricha by a novel predator and its relationship with tetrodotoxin toxicity." The American Midland Naturalist 165.2 (2011): 389+. Academic OneFile. Web. 15 July 2014.
9Zapus princeps, E. Blake Hart, Mark C. Belk, Eralee Jordan, and Malinda W. Gonzalez, MAMMALIAN SPECIES No. 749, pp. 1–7 (2004)
10Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Protected Areas provided by Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
Calvin College Ecosystem Preserve
Edwin S. George Reserve, University of Michigan, Department of Ecology and Evolutionary Biology
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License