Brown tree snake vs Rough Green Snake
How does the Brown tree snake compare to the Rough 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
- Boiga irregularis
- Opheodrys aestivus
- Classification
- Reptile
- Reptile
- Family
- Colubridae
- Colubridae
- Habitat
- Forests, woodlands, and urban areas
- Woodlands, thickets, and edges of streams or lakes
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 10-15 years
- 6-8 years
- Weight
- 100-500 grams
- 15-30 grams
Brown tree snake vs Rough Green Snake: who would win?

Brown tree snake
100-500 grams

Rough Green Snake
15-30 grams
Brown tree snake wins high confidence
Brown tree snake is substantially heavier (100-500 grams vs 15-30 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 Woodlands, thickets, and edges of streams or lakes.
- Weight: 100-500 grams vs 15-30 grams.
Brown tree snake vs Rough Green Snake: FAQ
Who would win in a fight, a Brown tree snake or a Rough Green Snake?
Brown tree snake wins. Brown tree snake is substantially heavier (100-500 grams vs 15-30 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 Rough Green Snake?
Brown tree snake and Rough Green Snake differ in several ways — habitat: forests, woodlands, and urban areas vs woodlands, thickets, and edges of streams or lakes. weight: 100-500 grams vs 15-30 grams.
Do Brown tree snake and Rough Green Snake live in the same habitat?
No — Brown tree snake lives in forests, woodlands, and urban areas, while Rough Green Snake is found in woodlands, thickets, and edges of streams or lakes.
What do Brown tree snake and Rough Green Snake eat?
Both Brown tree snake and Rough Green Snake have a carnivore diet.
Which is more endangered, the Brown tree snake or the Rough Green Snake?
Brown tree snake is listed as Least Concern, while Rough Green Snake is listed as Least Concern.
How big are Brown tree snake and Rough Green Snake?
Brown tree snake weighs around 100-500 grams, while Rough Green Snake weighs around 15-30 grams.

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Brown tree snake

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Rough Green Snake







