Common European Adder vs Timber Rattlesnake
How does the Common European Adder compare to the Timber Rattlesnake? They are both members of the Viperidae 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
- Vipera berus
- Crotalus horridus
- Classification
- Reptile
- Reptile
- Family
- Viperidae
- Viperidae
- Habitat
- Heathland, moorland, woodland, grassland, and coastal dunes
- Deciduous forests and rocky hillsides
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 10-15 years
- 10-20 years
- Weight
- 50-100 grams
- 500-1,500 grams
Common European Adder vs Timber Rattlesnake: who would win?

Common European Adder
50-100 grams

Timber Rattlesnake
500-1,500 grams
Timber Rattlesnake wins high confidence
Timber Rattlesnake is substantially heavier (500-1,500 grams vs 50-100 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 Viperidae family.
- Both have a carnivore diet.
- Both are listed as Least Concern.
Differences
- Habitat: Heathland, moorland, woodland, grassland, and coastal dunes vs Deciduous forests and rocky hillsides.
- Weight: 50-100 grams vs 500-1,500 grams.
Common European Adder vs Timber Rattlesnake: FAQ
Who would win in a fight, a Common European Adder or a Timber Rattlesnake?
Timber Rattlesnake wins. Timber Rattlesnake is substantially heavier (500-1,500 grams vs 50-100 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 Common European Adder and a Timber Rattlesnake?
Common European Adder and Timber Rattlesnake differ in several ways — habitat: heathland, moorland, woodland, grassland, and coastal dunes vs deciduous forests and rocky hillsides. weight: 50-100 grams vs 500-1,500 grams.
Do Common European Adder and Timber Rattlesnake live in the same habitat?
No — Common European Adder lives in heathland, moorland, woodland, grassland, and coastal dunes, while Timber Rattlesnake is found in deciduous forests and rocky hillsides.
What do Common European Adder and Timber Rattlesnake eat?
Both Common European Adder and Timber Rattlesnake have a carnivore diet.
Which is more endangered, the Common European Adder or the Timber Rattlesnake?
Common European Adder is listed as Least Concern, while Timber Rattlesnake is listed as Least Concern.
How big are Common European Adder and Timber Rattlesnake?
Common European Adder weighs around 50-100 grams, while Timber Rattlesnake weighs around 500-1,500 grams.

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Common European Adder

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Timber Rattlesnake







