Red-sided Garter Snake vs Smooth Green Snake
How does the Red-sided Garter Snake compare to the Smooth Green Snake? They are both members of the Colubridae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Thamnophis sirtalis parietalis
- Opheodrys vernalis
- Classification
- Reptile
- Reptile
- Family
- Colubridae
- Colubridae
- Habitat
- Grasslands, prairies, forest edges, and wetlands
- Moist meadows, grassy fields, open woodlands, and edges of forests
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 4-6 years in the wild
- 5-8 years
- Weight
- 50-150 grams
- 8-14 grams
Red-sided Garter Snake vs Smooth Green Snake: who would win?

Red-sided Garter Snake
50-150 grams

Smooth Green Snake
8-14 grams
Red-sided Garter Snake wins high confidence
Red-sided Garter Snake is substantially heavier (50-150 grams vs 8-14 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are reptiles.
- Both belong to the Colubridae family.
- Both have a carnivore diet.
- Both are listed as Least Concern.
Differences
- Habitat: Grasslands, prairies, forest edges, and wetlands vs Moist meadows, grassy fields, open woodlands, and edges of forests.
- Weight: 50-150 grams vs 8-14 grams.
Red-sided Garter Snake vs Smooth Green Snake: FAQ
Who would win in a fight, a Red-sided Garter Snake or a Smooth Green Snake?
Red-sided Garter Snake wins. Red-sided Garter Snake is substantially heavier (50-150 grams vs 8-14 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a Red-sided Garter Snake and a Smooth Green Snake?
Red-sided Garter Snake and Smooth Green Snake differ in several ways — habitat: grasslands, prairies, forest edges, and wetlands vs moist meadows, grassy fields, open woodlands, and edges of forests. weight: 50-150 grams vs 8-14 grams.
Do Red-sided Garter Snake and Smooth Green Snake live in the same habitat?
No — Red-sided Garter Snake lives in grasslands, prairies, forest edges, and wetlands, while Smooth Green Snake is found in moist meadows, grassy fields, open woodlands, and edges of forests.
What do Red-sided Garter Snake and Smooth Green Snake eat?
Both Red-sided Garter Snake and Smooth Green Snake have a carnivore diet.
Which is more endangered, the Red-sided Garter Snake or the Smooth Green Snake?
Red-sided Garter Snake is listed as Least Concern, while Smooth Green Snake is listed as Least Concern.
How big are Red-sided Garter Snake and Smooth Green Snake?
Red-sided Garter Snake weighs around 50-150 grams, while Smooth Green Snake weighs around 8-14 grams.

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Red-sided Garter Snake

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Smooth Green Snake







