# Brown spider monkey (*Ateles hybridus*)

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

The brown spider monkey (Ateles hybridus) is a species in the family Atelidae, order Primates. Recorded adults weigh about 6.69 kg and live up to 28 years. Its IUCN Red List status is Critically Endangered.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 6.69 kg |
| Length | Not recorded |
| Lifespan | 28 years |
| Diet | Frugivore |
| Longest recorded lifespan | 37 years |
| Main food | Not recorded |
| Habitat | Not recorded |
| Gestation | 141 days |
| Young per litter or clutch | 1 |
| Age at maturity | 4 years – 5 years |
| Litters or clutches a year | 0.3 |
| Active | By day (diurnal) |
| Lifestyle | Arboreal |
| Conservation status | Critically Endangered (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Mammalia
- order: Primates
- family: Atelidae
- genus: Ateles
- species: *Ateles hybridus* I. Geoffroy Saint-Hilaire, 1829

Synonyms: *Ameranthropoides loysi*, *Ateles albifrons*, *Ateles belzebuth brunneus*, *Ateles hybridus brunneus*, *Ateles hybridus hybridus*

## Common questions

### How big is the brown spider monkey?

An adult brown spider monkey weighs 6.69 kg, according to values recorded on Wikidata.

### Is the brown spider monkey endangered?

The brown spider monkey is listed as Critically Endangered on the IUCN Red List, meaning it faces an extremely high risk of extinction in the wild.

### How long does the brown spider monkey live?

The brown spider monkey has a recorded lifespan of 28 years.

### How long is the brown spider monkey pregnant?

The recorded gestation period is 141 days.

### What kind of animal is the brown spider monkey?

The brown spider monkey (Ateles hybridus) 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 spider monkey (Ateles hybridus). Retrieved from https://creaturedata.com/animals/brown-spider-monkey