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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. Some researchers estimate that there are ...
The San Francisco garter snake (Thamnophis sirtalis tetrataenia), however, has been on the endangered list since 1969. Predation by crayfish has also been responsible for the decline of the narrow-headed garter snake ( Thamnophis rufipunctatus ). [ 19 ]
The common garter snake (Thamnophis sirtalis) is a species of snake in the subfamily Natricinae of the family Colubridae. The species is indigenous to North America and found widely across the continent. There are several recognized subspecies. Most common garter snakes have a pattern of yellow stripes on a black, brown or green background, and ...
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 subspecies features an orange or red head, and can vary significantly in appearance based on the geographical location of the snake. 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 ...
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] The snakes have keeled scales, with a yellow dorsal stripe against two additional yellow stripes on either ...
Description. Most western terrestrial garter snakes have a yellow, light orange, or white dorsal stripe, accompanied by two stripes of the same color, one on each side. Some varieties have red or black spots between the dorsal stripe and the side stripes. It is an immensely variable species, and even the most experienced herpetologists have ...
Garter snake. Checkered garter snake; Common garter snake; San Francisco garter snake; Texas garter snake; Glossy snake; Gopher snake. Cape gopher snake; Grass snake; Green snake. Rough green snake; Smooth green snake; Ground snake. Common ground snake; Three-lined ground snake; Western ground snake