Proboscis Monkey vs Red-shanked Douc
How does the Proboscis Monkey compare to the Red-shanked Douc? They are both members of the Cercopithecidae 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
- Nasalis larvatus
- Pygathrix nemaeus
- Classification
- Mammal
- Mammal
- Family
- Cercopithecidae
- Cercopithecidae
- Habitat
- Mangrove forests, riverine forests, and lowland rainforests
- Tropical and subtropical forests
- Diet
- Herbivore
- Herbivore
- Conservation status
- Endangered
- Critically Endangered
- Lifespan
- 15-20 years
- 20-25 years
- Weight
- 16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females
- 7-11 kg
Proboscis Monkey vs Red-shanked Douc: who would win?

Proboscis Monkey
16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females

Red-shanked Douc
7-11 kg
Proboscis Monkey wins moderate confidence
Proboscis Monkey is substantially heavier (16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females vs 7-11 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 Cercopithecidae family.
- Both have a herbivore diet.
Differences
- Habitat: Mangrove forests, riverine forests, and lowland rainforests vs Tropical and subtropical forests.
- Conservation: Endangered vs Critically Endangered.
- Weight: 16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females vs 7-11 kg.
Proboscis Monkey vs Red-shanked Douc: FAQ
Who would win in a fight, a Proboscis Monkey or a Red-shanked Douc?
Proboscis Monkey wins. Proboscis Monkey is substantially heavier (16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females vs 7-11 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 Proboscis Monkey and a Red-shanked Douc?
Proboscis Monkey and Red-shanked Douc differ in several ways — habitat: mangrove forests, riverine forests, and lowland rainforests vs tropical and subtropical forests. conservation: endangered vs critically endangered. weight: 16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females vs 7-11 kg.
Do Proboscis Monkey and Red-shanked Douc live in the same habitat?
No — Proboscis Monkey lives in mangrove forests, riverine forests, and lowland rainforests, while Red-shanked Douc is found in tropical and subtropical forests.
What do Proboscis Monkey and Red-shanked Douc eat?
Both Proboscis Monkey and Red-shanked Douc have a herbivore diet.
Which is more endangered, the Proboscis Monkey or the Red-shanked Douc?
Proboscis Monkey is listed as Endangered, while Red-shanked Douc is listed as Critically Endangered.
How big are Proboscis Monkey and Red-shanked Douc?
Proboscis Monkey weighs around 16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females, while Red-shanked Douc weighs around 7-11 kg.

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Proboscis Monkey

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Red-shanked Douc







