# Drill (*Mandrillus leucophaeus*)

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

The drill (Mandrillus leucophaeus), also called the Fernando Po drill, is a primate in the family Cercopithecidae and the genus Mandrillus. It is a medium-sized mammal with a representative adult body mass of 15 kg and a highest reported value of 20 kg. The drill is a diurnal, scansorial herbivore. It is listed as Endangered on the IUCN Red List, an IUCN threatened category.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 15 kg – 20 kg |
| Length | Not recorded |
| Lifespan | 33.4 years – 39.2 years |
| Diet | Herbivore |
| Main food | Not recorded |
| Habitat | Not recorded |
| Gestation | 179 days |
| Young per litter or clutch | 1 |
| Age at maturity | 4.74 years |
| Litters or clutches a year | 0.65 |
| Active | By day (diurnal) |
| Lifestyle | Scansorial |
| Conservation status | Endangered (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Mammalia
- order: Primates
- family: Cercopithecidae
- genus: Mandrillus
- species: *Mandrillus leucophaeus* (F. Cuvier, 1807)

Synonyms: *Papio leucophaeus*, *Simia leucophaea*

## Common questions

### What kind of animal is a drill?

The drill is a primate, a mammal in the family Cercopithecidae and the genus Mandrillus.

### How heavy is a drill?

The drill has a representative adult body mass of 15 kg, with a highest reported value of 20 kg.

### What does a drill eat?

The drill is a herbivore.

### Is the drill endangered?

Yes. The drill is listed as Endangered (EN) on the IUCN Red List, an IUCN threatened category.

### How long does a drill live?

The drill has a lifespan of 33.4 years, with a highest reported value of 39.2 years.

### How many young does a drill have?

The drill has 1 young per litter, at a rate of 0.65 litters per year, after a gestation period of 179.2 days.

### Who named the drill?

The drill, Mandrillus leucophaeus, was named by (F. Cuvier, 1807).

### When does a drill reach sexual maturity?

The drill reaches sexual maturity at 1,730 days, or 4.7 years.

## 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: Drill (Mandrillus leucophaeus). Retrieved from https://creaturedata.com/animals/drill