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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 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.
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 (Thamnophis sirtalis tetrataenia) is a slender multi-colored subspecies of the common garter snake.Designated as an endangered subspecies since the year 1967, [1] it is endemic to San Mateo County and the extreme northern part of coastal Santa Cruz County in California.
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 ...
Terrestrial garter snake Northern California, Sierra Nevada, and Coast Ranges south to Santa Barbara County. Isolated population in San Bernardino Mountains Thamnophis gigas: Giant garter snake Central Valley Thamnophis hammondii: Two-striped garter snake Coastal California south of Monterey Bay Thamnophis marcianus: Checkered garter snake
Small garter snakes eat prey such as slugs and earthworms, but larger garter snakes eat birds, fish, amphibians and rodents. The common garter snake species is often found in mountainous areas ...
The main native predator of the California Coast Range newt is the common garter snake (Thamnophis sirtalis), some of which have apparently developed a genetic resistance or immunity to tetrodotoxin. Reproduction