Eastern Diamondback Rattlesnake vs Western Diamondback Rattlesnake
How does the Eastern Diamondback Rattlesnake compare to the Western Diamondback 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
- Crotalus adamanteus
- Crotalus atrox
- Classification
- Reptile
- Reptile
- Family
- Viperidae
- Viperidae
- Habitat
- Dry pine forests, coastal scrub, and sandy woodlands
- Desert and scrubland
- Diet
- Carnivore
- Carnivore
- Conservation status
- Vulnerable
- Least Concern
- Lifespan
- 10-20 years
- 10-20 years
- Weight
- 2-6 kg
- 1.1–2.7 kg (2.5–6 lbs)
Eastern Diamondback Rattlesnake vs Western Diamondback Rattlesnake: who would win?

Eastern Diamondback Rattlesnake
2-6 kg

Western Diamondback Rattlesnake
1.1–2.7 kg (2.5–6 lbs)
Eastern Diamondback Rattlesnake wins moderate confidence
Eastern Diamondback Rattlesnake is substantially heavier (2-6 kg vs 1.1–2.7 kg (2.5–6 lbs)). 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.
Differences
- Habitat: Dry pine forests, coastal scrub, and sandy woodlands vs Desert and scrubland.
- Conservation: Vulnerable vs Least Concern.
- Weight: 2-6 kg vs 1.1–2.7 kg (2.5–6 lbs).
Eastern Diamondback Rattlesnake vs Western Diamondback Rattlesnake: FAQ
Who would win in a fight, a Eastern Diamondback Rattlesnake or a Western Diamondback Rattlesnake?
Eastern Diamondback Rattlesnake wins. Eastern Diamondback Rattlesnake is substantially heavier (2-6 kg vs 1.1–2.7 kg (2.5–6 lbs)). 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 Eastern Diamondback Rattlesnake and a Western Diamondback Rattlesnake?
Eastern Diamondback Rattlesnake and Western Diamondback Rattlesnake differ in several ways — habitat: dry pine forests, coastal scrub, and sandy woodlands vs desert and scrubland. conservation: vulnerable vs least concern. weight: 2-6 kg vs 1.1–2.7 kg (2.5–6 lbs).
Do Eastern Diamondback Rattlesnake and Western Diamondback Rattlesnake live in the same habitat?
No — Eastern Diamondback Rattlesnake lives in dry pine forests, coastal scrub, and sandy woodlands, while Western Diamondback Rattlesnake is found in desert and scrubland.
What do Eastern Diamondback Rattlesnake and Western Diamondback Rattlesnake eat?
Both Eastern Diamondback Rattlesnake and Western Diamondback Rattlesnake have a carnivore diet.
Which is more endangered, the Eastern Diamondback Rattlesnake or the Western Diamondback Rattlesnake?
Eastern Diamondback Rattlesnake is listed as Vulnerable, while Western Diamondback Rattlesnake is listed as Least Concern.
How big are Eastern Diamondback Rattlesnake and Western Diamondback Rattlesnake?
Eastern Diamondback Rattlesnake weighs around 2-6 kg, while Western Diamondback Rattlesnake weighs around 1.1–2.7 kg (2.5–6 lbs).

Full profile
Eastern Diamondback Rattlesnake

Full profile
Western Diamondback Rattlesnake
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