Aruba Island Rattlesnake vs Western Diamondback Rattlesnake
How does the Aruba Island 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 unicolor
- Crotalus atrox
- Classification
- Reptile
- Reptile
- Family
- Viperidae
- Viperidae
- Habitat
- Arid, rocky hillsides and dry scrublands
- Desert and scrubland
- Diet
- Carnivore
- Carnivore
- Conservation status
- Critically Endangered
- Least Concern
- Lifespan
- 15-20 years
- 10-20 years
- Weight
- 0.5-1 kg
- 1.1–2.7 kg (2.5–6 lbs)
Aruba Island Rattlesnake vs Western Diamondback Rattlesnake: who would win?

Aruba Island Rattlesnake
0.5-1 kg

Western Diamondback Rattlesnake
1.1–2.7 kg (2.5–6 lbs)
Western Diamondback Rattlesnake wins moderate confidence
Western Diamondback Rattlesnake is substantially heavier (1.1–2.7 kg (2.5–6 lbs) vs 0.5-1 kg). 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: Arid, rocky hillsides and dry scrublands vs Desert and scrubland.
- Conservation: Critically Endangered vs Least Concern.
- Weight: 0.5-1 kg vs 1.1–2.7 kg (2.5–6 lbs).
Aruba Island Rattlesnake vs Western Diamondback Rattlesnake: FAQ
Who would win in a fight, a Aruba Island Rattlesnake or a Western Diamondback Rattlesnake?
Western Diamondback Rattlesnake wins. Western Diamondback Rattlesnake is substantially heavier (1.1–2.7 kg (2.5–6 lbs) vs 0.5-1 kg). 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 Aruba Island Rattlesnake and a Western Diamondback Rattlesnake?
Aruba Island Rattlesnake and Western Diamondback Rattlesnake differ in several ways — habitat: arid, rocky hillsides and dry scrublands vs desert and scrubland. conservation: critically endangered vs least concern. weight: 0.5-1 kg vs 1.1–2.7 kg (2.5–6 lbs).
Do Aruba Island Rattlesnake and Western Diamondback Rattlesnake live in the same habitat?
No — Aruba Island Rattlesnake lives in arid, rocky hillsides and dry scrublands, while Western Diamondback Rattlesnake is found in desert and scrubland.
What do Aruba Island Rattlesnake and Western Diamondback Rattlesnake eat?
Both Aruba Island Rattlesnake and Western Diamondback Rattlesnake have a carnivore diet.
Which is more endangered, the Aruba Island Rattlesnake or the Western Diamondback Rattlesnake?
Aruba Island Rattlesnake is listed as Critically Endangered, while Western Diamondback Rattlesnake is listed as Least Concern.
How big are Aruba Island Rattlesnake and Western Diamondback Rattlesnake?
Aruba Island Rattlesnake weighs around 0.5-1 kg, while Western Diamondback Rattlesnake weighs around 1.1–2.7 kg (2.5–6 lbs).

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Aruba Island Rattlesnake

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Western Diamondback Rattlesnake







