Checkered garter snake

The Checkered garter snake or Checkered gartersnake (Thamnophis marcianus) is a colubrid somewhat venomous snake species located from the northeast United States southwards to Mexico and Central America as far south as Costa Rica. It’s among the several species of garter snake.

Their range extends from the southwestern United States such as Oklahoma and southeastern California, Arizona, New Mexico, and Kansas and Texas.

They’re also located in central and northern Mexico with disjunct populations located throughout southern and central Mexico, Belize, Guatemala, Nicaragua, Honduras, and Costa Rica. They’re observed at elevations from sea level up to 7200 feet (2200 m) high.

The garter snake can be found in many different habitats across its array from areas and slopes in California into thornbush savanna pine-palmetto savanna, woods and moist forests.

All these snakes are often found not too far from water such as rivers, streamsand pondsand springs, swamps, marshes, restricted areas, and irrigation ditches and canals. The water supply is not visible above ground.

They are active during the daytime from the areas of their scope but might become nocturnal from the south east west to escape the warm temperatures. The garter snakes are great swimmers and might dip when upset, to escape.

They’ll also sting but leave superficial bite marks when managed they’ll excrete a foul smelling musk on its own aggressors.

The checkered garter snake has large black blotches forming their distinctive checkerboard ​pattern within its generally tan, brown, olive or greenish body. Between the rows of checkers around sides and the back, there are one in the center or yellow stripes, 3 white and two on either side.

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There’s a big black blotch on either side of the mind set behind two or yellowish crescents reaching on the corner of their mouth. Occasionally although their stomach is light in colour with no markers is blotched with dark stains.

All these are cubic snakes reaching 43 inches (slightly over 1 m) in optimum span, but on average they hit approximately 28 inches (71 cm). Their mind is not different from the throat and much broader. They’ve keeled also an undivided dish along with scales.

The garter snake is a pet sold from the pet industry and snake, they’re considered sturdy. The species is consumed with a few type-in captivity.


Baird and Girard described the species at 1853. Even the species-specific epithet,”marcianus” awarded in honour of this American Brigadier General Randolph B. Marcy, that at the middle 19th century directed surveying expeditions into the frontier.

There are just three subspecies currently known for its garter snake.

Northern Checkered Garter Snake (Thamnophis marcianus marcianus – Baird & Girard, 1853) – Located in the united states and northern Mexico. This subspecies is referred to as the Checkered Garter Snake of Marcy and is found at the pet industry.

Nicaraguan Checkered Garter Snake (Thamnophis marcianus bovallii – Dunn, 1940) – Located just in Nicaragua.

Checkered garter snake

Yucatan Checkered Garter Snake (Thamnophis marcianus praeocularis – Bocourt, 1892) – This subspecies if located around the in Belize, Honduras, Guatemala and Yucatan Peninsula.


With impacts that they have toxins As with garter snake species. They’re deemed benign and dangerous to people, although their sting can create a response in people.

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Comparable to some other garter snake species such as California Red-Sided gartersnake it requires to”chew” on the victim, or so the venom is sent to the bloodstream. In spite of other venomous snakes such as the pit vipers capable of injecting venom quite deep to the prey with their hollow and long fangs.


Checkered garter snakes feed on many different creatures such as little mammals, frogs, toads, tadpoles, salamanders, lizards, other snakes, earthworms, crayfish, fish, and even insects.

They will eat carrion. They will attempt to locate prey.


The gartersnake is a live-bearing snake or viviparous. Between 80 and 105 days, the period lasts.

Females give birth to live young in the spring or even summer months from May to October. Ordinarily, a clutch averages approximately 6 to 2 younglings . however, it might be as large as 35. The snakes are 9 or 8 inches long .


Listed as”Least Concern” since those snakes are frequently dispersed and relatively standard at least in the northern portion of its scope. Back in North America, there aren’t any significant dangers to this Checkered Garter Snake, however they’re listed as endangered in Kansas.

But, subpopulations noise in southern Mexico and also Central America are endangered by habitat reduction for agriculture with the usage of pesticides resulting in declining amphibian populations these snakes feed .

As a result of this, the species is becoming less prevalent, and its own supply fragmented and disjunct in southern Mexico and Central America.