Western Diamondback Rattlesnake vs Western Sand Viper
How does the Western Diamondback Rattlesnake compare to the Western Sand Viper? 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
- Crotalus atrox
- Vipera ammodytes
- Classification
- Reptile
- Reptile
- Family
- Viperidae
- Viperidae
- Habitat
- Desert and scrubland
- Rocky hillsides, scrublands, and dry forests
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 10-20 years
- 12-20 years
- Weight
- 1.1–2.7 kg (2.5–6 lbs)
- 100-300 grams
Western Diamondback Rattlesnake vs Western Sand Viper: who would win?

Western Diamondback Rattlesnake
1.1–2.7 kg (2.5–6 lbs)

Western Sand Viper
100-300 grams
Western Diamondback Rattlesnake wins high confidence
Western Diamondback Rattlesnake is substantially heavier (1.1–2.7 kg (2.5–6 lbs) vs 100-300 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: Desert and scrubland vs Rocky hillsides, scrublands, and dry forests.
- Weight: 1.1–2.7 kg (2.5–6 lbs) vs 100-300 grams.
Western Diamondback Rattlesnake vs Western Sand Viper: FAQ
Who would win in a fight, a Western Diamondback Rattlesnake or a Western Sand Viper?
Western Diamondback Rattlesnake wins. Western Diamondback Rattlesnake is substantially heavier (1.1–2.7 kg (2.5–6 lbs) vs 100-300 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 Western Diamondback Rattlesnake and a Western Sand Viper?
Western Diamondback Rattlesnake and Western Sand Viper differ in several ways — habitat: desert and scrubland vs rocky hillsides, scrublands, and dry forests. weight: 1.1–2.7 kg (2.5–6 lbs) vs 100-300 grams.
Do Western Diamondback Rattlesnake and Western Sand Viper live in the same habitat?
No — Western Diamondback Rattlesnake lives in desert and scrubland, while Western Sand Viper is found in rocky hillsides, scrublands, and dry forests.
What do Western Diamondback Rattlesnake and Western Sand Viper eat?
Both Western Diamondback Rattlesnake and Western Sand Viper have a carnivore diet.
Which is more endangered, the Western Diamondback Rattlesnake or the Western Sand Viper?
Western Diamondback Rattlesnake is listed as Least Concern, while Western Sand Viper is listed as Least Concern.
How big are Western Diamondback Rattlesnake and Western Sand Viper?
Western Diamondback Rattlesnake weighs around 1.1–2.7 kg (2.5–6 lbs), while Western Sand Viper weighs around 100-300 grams.

Full profile
Western Diamondback Rattlesnake

Full profile
Western Sand Viper
More Western Diamondback Rattlesnake comparisons
Western Diamondback Rattlesnake vs Aruba Island Rattlesnake
Western Diamondback Rattlesnake vs Banded Rock Rattlesnake
Western Diamondback Rattlesnake vs Common European Adder
Western Diamondback Rattlesnake vs Desert Horned Viper
Western Diamondback Rattlesnake vs Eastern Diamondback Rattlesnake
Western Diamondback Rattlesnake vs Eyelash Viper
