Drill
Mandrillus leucophaeus (F. Cuvier, 1807)
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.

Quick facts about the drill
The drill is a diurnal, scansorial herbivore. It is listed as Endangered on the IUCN Red List, an IUCN threatened category.
- Weight
- 15 kg – 20 kgsrc for Weight
- Length
- Not recorded
- Lifespan
- 33.4 years – 39.2 yearssrc for Lifespan
- Diet
- Herbivoresrc for Diet
- Main food
- Not recorded
- Habitat
- Not recorded
- Gestation
- 179 dayssrc for Gestation
- Young per litter or clutch
- 1src for Young per litter or clutch
- Age at maturity
- 4.74 yearssrc for Age at maturity
- Litters or clutches a year
- 0.65src for Litters or clutches a year
- Active
- By day (diurnal)src for Active
- Lifestyle
- Scansorialsrc for Lifestyle
- Conservation status
- Endangered (IUCN)src for Conservation status
- Countries on record
- Not recorded
Photos of the drill
Only freely licensed photos are shown. Each carries its creator and licence.








Where does the drill live?
Not recorded
What is the drill?
The drill (Mandrillus leucophaeus) is a primate of the family Cercopithecidae (Old World monkeys), related to baboons and even more closely to the mandrill. The average wild drill has a lifespan of 20 years. The drill is currently listed as an endangered species that occurs across three African countries.
From the Wikipedia article “Drill (animal)” (en.wikipedia.org/w/index.php?title=Drill_%28animal%29&oldid=1378014337), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the drill endangered?
The drill is listed as Endangered on the IUCN Red List: it faces a very high risk of extinction in the wild.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Endangered species.
How is the drill classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderPrimates
- familyCercopithecidae
- genusMandrillus
- SpeciesMandrillus leucophaeus (F. Cuvier, 1807)
Synonyms Papio leucophaeus, Simia leucophaea
Other names and names in other languages (20)
- Fernando Po drillEnglish
- ميمون أربدArabic
- ميمون رمادي فاتحArabic
- ДрылBelarusian
- MandrillGerman
- DrilSpanish
- drilliFinnish
- דרילHebrew
- DrilloItalian
- ドリル (動物)Japanese
- ドリルJapanese
- დრილიGeorgian
- DrilasLithuanian
- Dril (aap)Dutch
- Drill (ape)Norwegian
- DrylPolish
- Mandryl równikowyPolish
- ДрилRussian
- Drill (djur)Swedish
- 鬼狒Chinese
Relatives of the drill
Other species in the same genus Mandrillus.

Mandrill
Mandrillus sphinx
CompareDrill vs Mandrill
Common questions
Each answer is written from the sourced facts on this page, and only where they hold the answer.
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 and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · 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 · 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 · 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 · 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 · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · 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).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Drill (Mandrillus leucophaeus). Retrieved from https://creaturedata.com/animals/drill
“Drill (Mandrillus leucophaeus).” CreatureData, 2026, https://creaturedata.com/animals/drill.
@misc{drill_2026,
title = {Drill (Mandrillus leucophaeus)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/drill},
note = {Data as of 2026-11-11}
}