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The California red-sided garter snake is a slender snake that is smaller and lighter than the San Francisco garter snake. Females typically reach 90–100 cm (35-39 inches) while males typically reach 65-75 centimeters (25-29.5), and are markedly thinner than females.
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). [2] [3] The average body mass is 150 g (5.3 oz). [4] The common garter snake is the state reptile of Massachusetts. [5]
The first garter snake to be scientifically described was the eastern garter snake (now Thamnophis sirtalis sirtalis), by zoologist and taxonomist Carl Linnaeus in 1758. The genus Thamnophis was described by Leopold Fitzinger in 1843 as the genus for the garter snakes and ribbon snakes. [ 2 ]
The San Francisco garter snake, a subspecies of the common garter snake, is found in scattered wetland areas on the San Francisco Peninsula from approximately the northern boundary of San Mateo County south along the eastern and western bases of the Santa Cruz Mountains, at least to the Upper Crystal Springs Reservoir, and along the Pacific coast south to Año Nuevo Point, and thence to ...
Giant garter snake Central Valley Thamnophis hammondii: Two-striped garter snake Coastal California south of Monterey Bay Thamnophis marcianus: Checkered garter snake Colorado River and Imperial Valley as north as Mecca: Thamnophis ordinoides: Northwestern garter snake Extreme northwest corner of state Thamnophis sirtalis: Common garter snake
An undeveloped parcel of land owned by San Francisco International Airport is home to a thriving population of an endangered snake species, a recent study revealed, CBS San Francisco reports. The ...
The common garter snake species is often found in mountainous areas, along coasts and even in sagebrush deserts, but are most common closer to water or in gardens. Common garter snakes have bright ...
Common name Thamnophis elegans arizonae. Tanner & Lowe, 1989 [9] Arizona garter snake Thamnophis elegans elegans (Baird & Girard, 1853) mountain garter snake Thamnophis elegans hueyi. Van Denburgh & Slevin, 1923. San Pedro Mártir garter snake Thamnophis elegans terrestris. Fox, 1951. coastal garter snake Thamnophis elegans vagrans (Baird ...