---
title: "Common Garter Snake"
description: "Thamnophis sirtalis — Rettili. The common garter snake (Thamnophis sirtalis) is a species of snake in the subfamily Natricinae of the family Colubridae."
canonical: https://animalchecklist.com/it/animal/common-garter-snake
last_updated: 2026-09-20
---

# Common Garter Snake

> Thamnophis sirtalis — Rettili. The common garter snake (Thamnophis sirtalis) is a species of snake in the subfamily Natricinae of the family Colubridae.

- Scientific name: *Thamnophis sirtalis*
- Category: `reptiles` (Rettili)
- Habitats: `forest` (Foresta), `freshwater` (Laghi e fiumi), `urban` (Città e giardini)
- iNaturalist observations: 209834
- Wikidata: [Q911786](https://www.wikidata.org/wiki/Q911786)
- iNaturalist taxon: [28362](https://www.inaturalist.org/taxa/28362)

## Names

- en: Common Garter Snake
- de: Gewöhnliche Strumpfbandnatter
- es: Culebra listonada común
- fr: Couleuvre rayée
- nl: Gewone kousenbandslang
- pl: Ogrodowiec zwyczajny

## Countries with the most observations

US (141500), CA (57929)

## Summary

The common garter snake (Thamnophis sirtalis) 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 (including tail) 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.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Common_garter_snake

## Photo

![Common Garter Snake](https://animalchecklist.com/img/animals/common-garter-snake/medium.jpg)

Photo: bgirardot · CC0 · inaturalist — https://www.inaturalist.org/observations/62356602

## Machine access

`GET https://animalchecklist.com/api/v1/animals/common-garter-snake?lang=it` — see [openapi.json](https://animalchecklist.com/openapi.json).