Bluestripe Garter Snake

Thamnophis sirtalis

Summary 4

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 black, 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).

Distribution 5

Continent: Middle-America Caribbean North-America
Distribution: S Canada (incl. Northwest Territories, Manitoba, Alberta, Saskatchewan, New Brunswick, Ontario, Prince Edward Island),
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, New Hampshire, New Jersey, New York, New Mexico, North Carolina, North-Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, N Utah, Vermont, Virginia, Washington, West-Virginia, Wisconsin, Wyoming), Mexico, Bahamas [Buckner & Franz 1998]

sirtalis: S Canada to Gulf of Mexico, west to Minnesota and E Texas.

pallidulus: S Quebec, from the eastern shore of James Bay to the Gulf of St. Lawrence and Nova Scotia, and south in New England to extreme NE Massachusetts.

parietalis: Kansas etc.

semifasciatus: NE Illinois, adjacent portions of Indiana and Wisconsin.

parietalis: EC British Columbia to Wisconsin, Oklahoma. Isolated population in SW Sask. (Canada)

dorsalis: USA (Rio Grand Valley from NC New Mexico south to vicinity of El Paso, Texas; disjunct populations in NE New Mexico); Mexico (Jalisco)

annectens: EC Texas; disjunct population in SW Kansas., adjacent Oklahoma, and Texas panhandle.

similis: W Florida from Wakulla Co. to the Tithlacoochee R.


Type locality: œCanada; Quebec County, Quebec [neotype]

Fontes e Créditos

  1. (c) Mark Kluge, alguns direitos reservados (CC BY-NC), uploaded by Mark Kluge
  2. (c) Fyn Kynd, alguns direitos reservados (CC BY), https://www.flickr.com/photos/79452129@N02/11092514235/
  3. (c) J. Maughn, alguns direitos reservados (CC BY-NC), https://www.flickr.com/photos/jmaughn/32773741172/
  4. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Thamnophis_sirtalis
  5. Adaptado por James Lukenda de uma obra de (c) Peter Uetz, alguns direitos reservados (CC BY-NC-SA), http://eol.org/data_objects/18853860

Mais informações

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