Garter snake is the common name for small to medium-sized snakes belonging to the genus Thamnophis in the family Colubridae. Native to North and Central America, species in the genus Thamnophis can be found in all of the lower 48 United States, and nearly all of the Canadian provinces south of the Northwest Territories and Nunavut—with the exception of Newfoundland and Labrador. They are found from the subarctic plains of west-central Canada east through Ontario and Quebec; from the Maritime Provinces and south to Florida, across the southern and central U.S. into the arid regions of the southwest and México, Guatemala and south to the neotropics and Costa Rica.
The common garter snake 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 their average total length is about 55 cm (22 in), with a maximum total length of about 137 cm (54 in). The average body mass is 150 g (5.3 oz). The common garter snake is the state reptile of Massachusetts.
Rena humilis, known commonly as the western blind snake, the western slender blind snake, or the western threadsnake, is a species of snake in the family Leptotyphlopidae. The species is endemic to the southwestern United States and northern Mexico. Six subspecies are currently recognized, including the nominate subspecies described here.
Thamnophis saurita, also known as the eastern ribbon snake, common ribbon snake, or simply ribbon snake, is a common species of garter snake native to Eastern North America. It is a non-venomous species of snake in the subfamily Natricinae of the family Colubridae. The ribbon snake averages 16 to 35 inches in total length. It is dark brown with bright yellow stripes. The ribbon snake is not sexually dimorphic; however, females are normally thicker than their male counterparts.
The San Francisco garter snake is a slender multi-colored subspecies of the common garter snake. Designated as an endangered subspecies since the year 1967, it is endemic to San Mateo County and the extreme northern part of coastal Santa Cruz County in California.
The Texas garter snake is a subspecies of the common garter snake. The subspecies, which belongs to the subfamily Natricinae of the family Colubridae, is native to the western United States.
The western ground snake is a species of small, harmless colubrid snake. The species is endemic to North America. Its patterning and coloration can vary widely, even within the same geographic region. Another common name is miter snake referring to the head marking which suggests a bishop's miter; the synonym "episcopus " is a similar allusion.
The checkered garter snake is a species of garter snake in the subfamily Natricinae of the family Colubridae. The species is endemic to the southwestern United States, Mexico, and Central America.
The plains garter snake is a species of garter snake native to most of the central United States as far north as Canada and as far south as Texas. It has a distinctive orange or yellow stripe from its head to tail, and the rest of its body is mainly a gray-green color. The snake is commonly found living near water sources such as streams and ponds, but can also be found in urban areas and vacant lots. Although the IUCN lists the species as "Least Concern", some states have given it their own special status. This species is mildly venomous, although the venom is not toxic to humans.
Butler's garter snake is a species of garter snake in the family Colubridae. The species is endemic to North America.
The California giant salamander is a species of salamander in the family Ambystomatidae. Dicamptodon ensatus is endemic to California, in the western United States. The species once additionally included individuals now belonging to the species D. aterrimus and D. tenebrosus, under the common name Pacific giant salamander, which now refers to the genus and family.
The two-striped garter snake is a species of aquatic garter snake, which is endemic to western North America.
The northwestern garter snake is a species of snake in the family Colubridae. The species is endemic to North America.
The western terrestrial garter snake is a western North American species of colubrid snake. At least five subspecies are recognized.
The narrow-headed garter snake, Thamnophis rufipunctatus, is a species of garter snake, endemic to the southwestern United States and adjacent northwestern Mexico. Its common names also include narrowhead garter snake and narrowhead watersnake.
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 proximus, commonly known as the western ribbon snake, is a species of garter snake in the subfamily Natricinae of the family Colubridae. The species is endemic to the western United States, Mexico, and Central America. The species has six recognized subspecies.
Thamnophis brachystoma, commonly known as the shorthead garter snake or short-headed gartersnake, is a small species of colubrid snake. The species is endemic to the north-eastern United States.
Sumichrast's garter snake is a species of snake in the family Colubridae. The species is endemic to Mexico.
Salvadora grahamiae, also known commonly as the eastern patch-nosed snake and the mountain patchnose snake, is a species of snake in the family Colubridae. The species is native to the southwestern United States and adjacent northeastern Mexico.
