# Brown howler (*Alouatta guariba*)

Canonical page: https://creaturedata.com/animals/brown-howler  
Data as of: 2026-11-11

The brown howler (Alouatta guariba) is a species in the family Atelidae, order Primates. Recorded adults weigh about 5.19 kg and live up to 13.8 years. Its IUCN Red List status is Vulnerable.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 5.19 kg |
| Length | Not recorded |
| Lifespan | 13.8 years |
| Diet | Herbivore |
| Main food | Not recorded |
| Habitat | Not recorded |
| Young per litter or clutch | Not recorded |
| Active | By day (diurnal) |
| Lifestyle | Arboreal |
| Conservation status | Vulnerable (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Mammalia
- order: Primates
- family: Atelidae
- genus: Alouatta
- species: *Alouatta guariba* (Humboldt, 1812)

Synonyms: *Simia guariba*

## Common questions

### How big is the brown howler?

An adult brown howler weighs 5.19 kg, according to values recorded on Wikidata.

### Is the brown howler endangered?

The brown howler is listed as Vulnerable on the IUCN Red List, meaning it faces a high risk of extinction in the wild.

### How long does the brown howler live?

The brown howler has a recorded lifespan of 13.8 years.

### What kind of animal is the brown howler?

The brown howler (Alouatta guariba) belongs to the family Atelidae in the order Primates.

## Sources

- [An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles](https://doi.org/10.6084/m9.figshare.3563457.v1), CC0 1.0, E096-269. Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [Wikimedia Commons](https://commons.wikimedia.org), per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed), 2026-11-11. Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
- [EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals](https://doi.org/10.6084/m9.figshare.3559887.v1), CC0 1.0, 1.0. Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1
- [Wikidata](https://www.wikidata.org), CC0 1.0, 2026-11-11. Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
- [Wikipedia (English)](https://en.wikipedia.org), CC BY-SA 4.0, 2026-11-11. Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

Cite as: Brown howler (Alouatta guariba). Retrieved from https://creaturedata.com/animals/brown-howler