Howler Monkey vs Humboldt's Woolly Monkey
How does the Howler Monkey compare to the Humboldt's Woolly Monkey? They are both members of the Atelidae 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
- Alouatta spp.
- Lagothrix lagothricha
- Classification
- Mammal
- Mammal
- Family
- Atelidae
- Atelidae
- Habitat
- Tropical rainforest
- Tropical rainforest
- Diet
- Herbivore
- Omnivore
- Conservation status
- Vulnerable
- Vulnerable
- Lifespan
- 15-20 years
- 20-30 years
- Weight
- 4.5–10 kg (10–22 lbs)
- 5-10 kg
Howler Monkey vs Humboldt's Woolly Monkey: who would win?

Howler Monkey
4.5–10 kg (10–22 lbs)

Humboldt's Woolly Monkey
5-10 kg
Humboldt's Woolly Monkey has a slight edge speculative confidence
Howler Monkey and Humboldt's Woolly Monkey are closely matched on size (4.5–10 kg (10–22 lbs) vs 5-10 kg), so Humboldt's Woolly Monkey's omnivore diet — built more for hunting — is the tie-breaker. 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 Atelidae family.
- Both live in tropical rainforest.
- Both are listed as Vulnerable.
Differences
- Diet: herbivore vs omnivore.
- Weight: 4.5–10 kg (10–22 lbs) vs 5-10 kg.
Howler Monkey vs Humboldt's Woolly Monkey: FAQ
Who would win in a fight, a Howler Monkey or a Humboldt's Woolly Monkey?
Humboldt's Woolly Monkey has a slight edge. Howler Monkey and Humboldt's Woolly Monkey are closely matched on size (4.5–10 kg (10–22 lbs) vs 5-10 kg), so Humboldt's Woolly Monkey's omnivore diet — built more for hunting — is the tie-breaker. 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 Howler Monkey and a Humboldt's Woolly Monkey?
Howler Monkey and Humboldt's Woolly Monkey differ in several ways — diet: herbivore vs omnivore. weight: 4.5–10 kg (10–22 lbs) vs 5-10 kg.
Do Howler Monkey and Humboldt's Woolly Monkey live in the same habitat?
Yes — both Howler Monkey and Humboldt's Woolly Monkey are found in tropical rainforest.
What do Howler Monkey and Humboldt's Woolly Monkey eat?
Howler Monkey has a herbivore diet, while Humboldt's Woolly Monkey has a omnivore diet.
Which is more endangered, the Howler Monkey or the Humboldt's Woolly Monkey?
Howler Monkey is listed as Vulnerable, while Humboldt's Woolly Monkey is listed as Vulnerable.
How big are Howler Monkey and Humboldt's Woolly Monkey?
Howler Monkey weighs around 4.5–10 kg (10–22 lbs), while Humboldt's Woolly Monkey weighs around 5-10 kg.

Full profile
Howler Monkey

Full profile
Humboldt's Woolly Monkey

