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The bluestripe ribbon snake (Thamnophis saurita nitae), which belongs in the same family as the garter snakes, is a subspecies of the ribbon snake that occurs along the Gulf Coast in Florida. Adults are thin and are black with a mid-dorsal stripe that is a lighter shade of black and two blue stripes, hence the name "bluestripe ribbon snake".
T. s. parietalis (Say, 1823) – red-sided garter snake: as far north as Fort Smith, Northwest Territories, and as far south as the Oklahoma-Texas border T. s. infernalis (Blainville, 1835) – California red-sided garter snake: California coast T. s. concinnus (Hallowell, 1852) – red-spotted garter snake: northwestern Oregon and southwestern ...
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 ]
Southwestern blackhead snake Tantilla planiceps: Western black-headed snake Thamnophis atratus: Aquatic garter snake Thamnophis couchii: Sierra garter snake Thamnophis elegans: Terrestrial garter snake Thamnophis gigas: Giant garter snake Thamnophis hammondii: Two-striped garter snake Thamnophis marcianus: Checkered garter snake Thamnophis ...
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.
The southern ribbon snake (Thamnophis saurita sackenii), also known commonly as the peninsula ribbon snake and the Florida ribbon snake, is a subspecies of garter snake in the family Colubridae. It is one of four subspecies of the ribbon snake ( Thamnophis saurita ).
T. e. terrestris with dark coloring Mountain garter snake (T. e. elegans) defensive posture. 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.
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 .