| Bioko drill | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Primates |
| Family: | Cercopithecidae |
| Genus: | Mandrillus |
| Species: | M. leucophaeus |
| Subspecies: | M. l. leucophaeus |
| Trinomial name | |
|
Mandrillus leucophaeus poensis Zukowsky, 1922 |
|
The Bioko drill (Mandrillus leucophaeus poensis) is a subspecies of the endangered drill living on the island of Bioko in Equatorial Guinea. It is distinguished by a brownish yellow crown with a black tip. It is otherwise like the mainland drill.