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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.
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 ...
Water contamination, urban expansion, and residential and industrial development are all threats to the common garter snake. The San Francisco garter snake (T. s. tetrataenia), which is extremely scarce and occurs only in the vicinity of ponds and reservoirs in San Mateo County, California, has been listed as an endangered species by the U.S ...
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 ]
2.1 Endangered or extinct. 3 References. Toggle the table of contents. ... San Francisco garter snake, San Mateo and northern Santa Cruz County; Sorex ornatus sinuosus;
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 majority of the species were considered endangered in the 1970s and 1980s when they “were in very low numbers or likely already extinct at the time of listing,” the release said.
This habitat shelters many rare and endangered species such as the California red-legged frog, western pond turtle, tidewater goby, black rail, San Francisco garter snake, coho salmon (endangered) [3] and steelhead (threatened). [4] Hikers can also look out for feral pigs and red foxes around the park.