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Thamnophis elegans (Baird and Girard, 1853)
MOUNTAIN GARTER SNAKE
Wandering Garter Snake; Terrestrial Gartersnake

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Thamnophis elegans catching fish, western terrestrial garter snake
© Copyright Gail Starr 2011 · 2
Thamnophis elegans catching fish, western terrestrial garter snake

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Thamnophis elegans vagrans
© Copyright Todd Pierson 2010 · 1
Thamnophis elegans vagrans
Thamnophis elegans vagrans
© Copyright Todd Pierson 2010 · 1
Thamnophis elegans vagrans

Thamnophis elegans
© Copyright Todd Pierson 2010 · 1
Thamnophis elegans
Thamnophis elegans vagrans
© Copyright Todd Pierson 2010 · 1
Thamnophis elegans vagrans

Thamnophis elegans, wandering garter snake
© Copyright Gail Starr 2011 · 1
Thamnophis elegans, wandering garter snake
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Following modified from Reptiles and Amphibians of Arizona
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Terrestrial Gartersnake (Thamnophis elegans) Arizona
Coconino County, AZ

Terrestrial Gartersnake (Thamnophis elegans) Arizona
Coconino Co., AZ
Terrestrial Gartersnake (Thamnophis elegans) Arizona
Apache Co., AZ
 Terrestrial Gartersnake (Thamnophis elegans) Arizona
Coconino Co., AZ

  TERRESTRIAL GARTERSNAKE    Thamnophis elegans
Non-Venomous
   
DESCRIPTION: A medium to large (up to 900 mm or 36" in total length) gray, brown, or orange-brown snake with a single cream colored stripe down the midline of the back (dorsal stripe). There are usually two additional thin light stripes on the 2nd and 3rd scale rows of the lower sides (counting up from the belly). Some specimens lack stripes or have very diminished stripes. Alternating dark blotches mark the areas between the stripes. These dark blotches often intrude into the stripes. The underside is light gray or cream, occasionally with flecks of brown or orange . The pupils are round and the dorsal scales are keeled.

DISTRIBUTION: This snake is found across most of northern and northeastern Arizona. Isolated populations exist in the Sierra Ancha of Gila County and the Pinaleño Mountains of Graham County. In Arizona it occurs at elevations ranging from about 4,800' to over 9,000'.

HABITAT:
It is found in a wide variety of communities including Great Basin Desertscrub, Plains and Great Basin Grassland, Great Basin Conifer Woodland, Petran Montane Conifer Forest, and Petran Subalpine Conifer Forest. It seems to be most abundant in the vicinity of water such as streams, stock tanks, and lakes but is also found in open forest, meadows, and grasslands far from standing water.

BEHAVIOR:
This primarily diurnal snake h ibernates during the cold months of late fall and winter. It forages on the ground and in the water for a wide variety of prey items.

DIET:
The Terrestrial Gartersnake feeds on fish, amphibians, lizards, small mammals, birds, insects, snails, worms, snakes, and leeches.

REPRODUCTION: Mating takes place in spring and a litter of up to 27 young is born in July, August, or September.


SUBSPECIES FOUND IN AZ:
WANDERING GARTERSNAKE Thamnophis elegans vagrans .

ARIZONA WANDERING GARTERSNAKE Thamnophis elegans arizonae .


By Thomas C. Brennan


Bartlett. 2000. Snakes of North America: Western Region. Gulf Publishing Co. Houston, TX

Brennan, T. C., and A. T. Holycross. 2006. A Field Guide to Amphibians and Reptiles in Arizona. Arizona Game and Fish Department. Phoenix, AZ

Degenhardt, W. G., Painter, C. W., and Price, A. H.. 1996. Amphibians and Reptiles of New Mexico. University of New Mexico Press. Albuquerque.

Fowlie. 1965. The Snakes of Arizona. Azul Quinta Press, Fallbrook, California

Stebbins. 1985. Western Reptiles and Amphibians. Houghton Mifflin. New York, NY

Terrestrial Gartersnake (Thamnophis elegans) Arizona Range Map


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All content on this website is copyrighted © 2008 Thomas C. Brennan.

We request that if you make use of the textual contents of this site in reports, publications, etc. that you cite and credit the author(s) and photographer(s). All photos on this website are copyrighted. However, those found in the species account and habitat sections may be used for any noncommercial scientific, educational, or conservation purposes provided that photographs are not altered and continue to bear the copyright symbol and name of the photographer. Please contact the photographer regarding commercial use of copyrighted photographs.

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Updated: 2018-04-24 14:55:28 gmt
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