Capybara vs Patagonian Mara
How does the Capybara compare to the Patagonian Mara? They are both members of the Caviidae 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
- Hydrochoerus hydrochaeris
- Dolichotis patagonum
- Classification
- Mammal
- Mammal
- Family
- Caviidae
- Caviidae
- Habitat
- Wetlands, riverbanks, marshes, and lakeshores in tropical and subtropical South America
- Grasslands and shrublands of central and southern Argentina
- Diet
- Herbivore
- Herbivore
- Conservation status
- Least Concern
- Near Threatened
- Lifespan
- 8-10 years in the wild
- 8-14 years
- Weight
- 35–66 kg (77–146 lbs)
- 8–16 kg
Capybara vs Patagonian Mara: who would win?

Capybara
35–66 kg (77–146 lbs)

Patagonian Mara
8–16 kg
Capybara wins high confidence
Capybara is substantially heavier (35–66 kg (77–146 lbs) vs 8–16 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 mammals.
- Both belong to the Caviidae family.
- Both have a herbivore diet.
Differences
- Habitat: Wetlands, riverbanks, marshes, and lakeshores in tropical and subtropical South America vs Grasslands and shrublands of central and southern Argentina.
- Conservation: Least Concern vs Near Threatened.
- Weight: 35–66 kg (77–146 lbs) vs 8–16 kg.
Capybara vs Patagonian Mara: FAQ
Who would win in a fight, a Capybara or a Patagonian Mara?
Capybara wins. Capybara is substantially heavier (35–66 kg (77–146 lbs) vs 8–16 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 Capybara and a Patagonian Mara?
Capybara and Patagonian Mara differ in several ways — habitat: wetlands, riverbanks, marshes, and lakeshores in tropical and subtropical south america vs grasslands and shrublands of central and southern argentina. conservation: least concern vs near threatened. weight: 35–66 kg (77–146 lbs) vs 8–16 kg.
Do Capybara and Patagonian Mara live in the same habitat?
No — Capybara lives in wetlands, riverbanks, marshes, and lakeshores in tropical and subtropical south america, while Patagonian Mara is found in grasslands and shrublands of central and southern argentina.
What do Capybara and Patagonian Mara eat?
Both Capybara and Patagonian Mara have a herbivore diet.
Which is more endangered, the Capybara or the Patagonian Mara?
Capybara is listed as Least Concern, while Patagonian Mara is listed as Near Threatened.
How big are Capybara and Patagonian Mara?
Capybara weighs around 35–66 kg (77–146 lbs), while Patagonian Mara weighs around 8–16 kg.

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Capybara

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Patagonian Mara


