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Brown tree snake vs Red-sided Garter Snake

How does the Brown tree snake compare to the Red-sided Garter 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.

Brown tree snake
Red-sided Garter Snake

Side-by-side comparison

Brown tree snake
Red-sided Garter Snake
Scientific name
Boiga irregularis
Thamnophis sirtalis parietalis
Classification
Reptile
Reptile
Family
Colubridae
Colubridae
Habitat
Forests, woodlands, and urban areas
Grasslands, prairies, forest edges, and wetlands
Diet
Carnivore
Carnivore
Conservation status
Least Concern
Least Concern
Lifespan
10-15 years
4-6 years in the wild
Weight
100-500 grams
50-150 grams

Brown tree snake vs Red-sided Garter Snake: who would win?

Brown tree snake

Brown tree snake

100-500 grams

VS
Red-sided Garter Snake

Red-sided Garter Snake

50-150 grams

Brown tree snake wins moderate confidence

Brown tree snake is substantially heavier (100-500 grams vs 50-150 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: Forests, woodlands, and urban areas vs Grasslands, prairies, forest edges, and wetlands.
  • Weight: 100-500 grams vs 50-150 grams.

Brown tree snake vs Red-sided Garter Snake: FAQ

Who would win in a fight, a Brown tree snake or a Red-sided Garter Snake?

Brown tree snake wins. Brown tree snake is substantially heavier (100-500 grams vs 50-150 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 Brown tree snake and a Red-sided Garter Snake?

Brown tree snake and Red-sided Garter Snake differ in several ways — habitat: forests, woodlands, and urban areas vs grasslands, prairies, forest edges, and wetlands. weight: 100-500 grams vs 50-150 grams.

Do Brown tree snake and Red-sided Garter Snake live in the same habitat?

No — Brown tree snake lives in forests, woodlands, and urban areas, while Red-sided Garter Snake is found in grasslands, prairies, forest edges, and wetlands.

What do Brown tree snake and Red-sided Garter Snake eat?

Both Brown tree snake and Red-sided Garter Snake have a carnivore diet.

Which is more endangered, the Brown tree snake or the Red-sided Garter Snake?

Brown tree snake is listed as Least Concern, while Red-sided Garter Snake is listed as Least Concern.

How big are Brown tree snake and Red-sided Garter Snake?

Brown tree snake weighs around 100-500 grams, while Red-sided Garter Snake weighs around 50-150 grams.

Brown tree snake

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Brown tree snake

Red-sided Garter Snake

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Red-sided Garter Snake