Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Thamnophis. zool. Privacy Policy | Color and pattern is highly variable, but there is usually a yellow dorsal stripe and a yellowish stripe along the bottom of each side. : Nerodia valida] Mexikanische Westküsten-Strumpfbandnatter {f} zool. When frightened, this species will sometimes seek refuge in vegetation or ground cover, but it will also crawl quickly into water and swim away from trouble. The species is endemic to Mexico. This species is not known to be threatened, but gartersnakes have been negatively impacted by competition with introduced bullfrogs and non-native fish in some areas. A Coast Gartersnake eating a Spotted Towhee in Santa Cruz County. [2], There are four subspecies of T. validus which are recognized as being valid, including the nominate subspecies.[2]. The subspecific name isabelleae is in honor of the American wildlife artist Isabelle Hunt Conant, the wife of the American herpetologist Roger Conant. Disclaimer | : Nerodia valida] West Coast garter snake [Thamnophis valida, syn. Most range maps showing subspecies of T. elegans , show T. e. elegans occurring in the Central Valley near Lodi. Pacific Coast garter snake [Thamnophis ordinoides] Nordwestliche Strumpfbandnatter {f} zool. Adult eating a Banana Slug in San Mateo County ©, This adult Coast Gartersnake was observed killing a small rat, A couple of snakes from the coast of Marin County, doing what snakes do -. [3], https://en.wikipedia.org/w/index.php?title=West_Coast_garter_snake&oldid=961961651, Taxonbars with automatically added original combinations, Creative Commons Attribution-ShareAlike License, Conant R (1961). Four subspecies are recognized. The aquatic garter snake (Thamnophis atratus) is a species of colubrid snake. "A New Water Snake from Mexico, with Notes on Anal Plates and Apical Pits in, This page was last edited on 11 June 2020, at 09:51. Original Description Citations for the Reptiles and Amphibians of North America, Scientific and Common Names of the Reptiles and Amphibians of North America - Explained, California Department of Fish and Wildlife, https://www.wildlife.ca.gov/Data/CNDDB/Plants-and-Animals, A Coast Gartersnake (right) basks in dry grass next to a, Adult with little red on sides, Sonoma County ©, Adult and juvenile found in a city park in Lodi, San Joaquin County. It is variable in color and pattern, It usually has a yellow stripe along the back and white, yellow or reddish stripes along the lower part of the side. T. validus is found in the Mexican states of Baja California Sur, Chihuahua, Guerrero, Jalisco, and Sonora. Contact Us, North American Animals - mamals, birds, reptiles, insects, Western Terrestrial Garter Snake (T. elegans), Checkered Garter Snake (T. marcianus marcianus), Redstripe Ribbon Snake (T. proximus rubrilineatus), Eastern Ribbon Snake (T. sauritus sauritus), Northern Ribbon Snake (T. sauritus septentrionalis), Texas Garter Snake (T. sirtalis annectens), California Red-Sided Garter Snake (T. sirtalis infernalis), Common Garter Snake (T. sirtalis sirtalis). Inhabits mixed woodland, grassland, coniferous forest, dunes, brushland, generally in the vicinity of ponds or flowing water. Mammals | © 2000 - document.write((new Date()).getFullYear()); Thamnophis elegans elegans - Mountain Gartersnake, Key to Identifying California Gartersnake Species. A Resistant Predator and Its Toxic Prey: Persistence of Newt Toxin Leads to Poisonous (Not Venomous) Snakes. Home | Gartersnakes have toxins in their saliva which can be deadly to their prey and their bite might produce an unpleasant reaction in humans, but they are not considered dangerous to humans. ©, Adult with mostly red side stripes, San Mateo County ©, Wide red-striped adult, Santa Cruz County. ©, This picture shows some of the variety of colors and patterns seen in a single population of this snake. This subspecies, Thamnophis elegans terrestris - Coast Gartersnake, occurs along the Pacific coast from southern Oregon to Ventura County. Some snakes are all black between the stripes. Reptiles | Insects | The species is endemic to Mexico. Mates primarily in spring, with young born live from July to Sepember. Three subspecies are currently recognized. ©. The Coast Garter Snake is a slender snake. The West Coast garter snake (Thamnophis validus) is a species of snake in the family Colubridae. ©, This adult from Santa Clara County has red on all three stripes. Birds | West Coast garter snake [Thamnophis valida, syn. Four subspecies are recognized. A dark, bluish adult with only a few red spots from Santa Cruz County. All three snakes were all found at the same location in San Mateo County. The underside is yellow to blue-gray with some reddish markings. A medium-sized slender snake with a head barely wider than the neck and keeled dorsal scales. Adult puffed up in a defensive pose, with head flattened into a triangular shape, Santa Barbara County, Juveniles found under the same board in Alameda, Three species found at the same Marin County location, including, Adult eating a saltwater fish it found stranded in a tide pool on a rocky beach below the high tide mark in San Luis Obispo County ©. Western Coast garter snake [Thamnophis atratus] Westliche Strumpfbandnatter {f} zool. The West Coast garter snake (Thamnophis validus) is a species of snake in the family Colubridae.