---
title: "Sierra Garter Snake"
description: "Thamnophis couchii — Gady. Thamnophis couchii, commonly known as Couch's garter snake, the Sierra garter snake, or the western aquatic garter snake, is a highly aquatic species of snake in the family Colubridae."
canonical: https://animalchecklist.com/pl/animal/sierra-garter-snake
last_updated: 2026-09-20
---

# Sierra Garter Snake

> Thamnophis couchii — Gady. Thamnophis couchii, commonly known as Couch's garter snake, the Sierra garter snake, or the western aquatic garter snake, is a highly aquatic species of snake in the family Colubridae.

- Scientific name: *Thamnophis couchii*
- Category: `reptiles` (Gady)
- Habitats: `freshwater` (Jeziora i rzeki), `mountains` (Góry)
- iNaturalist observations: 1566
- Wikidata: [Q3519524](https://www.wikidata.org/wiki/Q3519524)
- iNaturalist taxon: [28425](https://www.inaturalist.org/taxa/28425)

## Names

- en: Sierra Garter Snake
- de: Couchs Strumpfbandnatter
- fr: Couleuvre rayée de la Sierra

## Countries with the most observations

US (1490)

## Summary

Thamnophis couchii, commonly known as Couch's garter snake, the Sierra garter snake, or the western aquatic garter snake, is a highly aquatic species of snake in the family Colubridae. The species is endemic to the western United States, specifically the Sierra Nevada mountain range.

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

## Photo

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

Photo: Alison K · CC0 · inaturalist — https://www.inaturalist.org/observations/284577830

## Machine access

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