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Common Garter Snake (Thamnophis sirtalis)

Common Garter Snake

Thamnophis sirtalis

Class
Reptile
Rarity
Common
Observations
131,992
Most observed in
🇺🇸 United States
Conservation
Least Concern

Description

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.

Summary adapted from the Wikipedia article Common garter snake.

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