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Most California red-sided garter snakes have a pattern of blue stripes on a black and red background. Their average total length is about 55 cm (22 in), with a maximum total length of about 100 cm (39 in). [2] While this snake does produce venom, it is mild and not lethal to humans.
Many breeders have bred all species of garter snakes, making it a popular breed. ... California red-sided garter snake, T. s. infernalis (Blainville, 1835)
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.
In red-sided garter snakes, the breeding season usually begins in early spring and lasts for about a month. [9] These snakes exhibit a polygynous mating system, which means that males mate with multiple females each season. [14] During the mating season, male snakes form a mating ball near the dens and court females as they emerge. [4]
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
Here is what goes down at the snake dens: Like all other snakes, red-sided garters are cold-blooded. During the winter, when the temperatures drop to below freezing, they hibernate for eight months.
Terrestrial garter snake Thamnophis gigas: Giant garter snake Thamnophis hammondii: Two-striped garter snake Thamnophis marcianus: Checkered garter snake Thamnophis ordinoides: Northwestern garter snake Thamnophis sirtalis: Common garter snake Trimorphodon lambda: Sonoran lyre snake Trimorphodon lyrophanes: California lyresnake
The giant garter snake is the largest species of garter snake, with the adult snakes ranging from 94–165 cm (37.0–65.0 in) in length. As with many snakes, the female giant garter snakes tend to be longer and larger than the males. [3]