The Bioko drill (Mandrillus leucophaeus poensis) is a subspecies of the drill, an Old World monkey. It is endemic to Bioko Island, Equatorial Guinea, located...

Bioko (/biːˈoʊkoʊ/; Spanish: [biˈoko] , historically Fernando Po, Spanish: [feɾˈnando po] ; Bube: Ëtulá a Ëri) is an island of Equatorial Guinea. It is...

distinct by others: Mainland drill, Mandrillus leucophaeus leucophaeus Bioko drill, Mandrillus leucophaeus poensis Their closest relative is the mandrill...

yellow and black coloring on its crown, and is otherwise similar to the Bioko drill. Groves, C. P. (2005). Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species...

toque macaque Highland toque macaque Dry zone toque macaque Mainland drill Bioko drill Nasalis larvatus larvatus Nasalis larvatus orientalis Miller's grizzled...

The Cross–Sanaga–Bioko coastal forests are a tropical moist broadleaf forest ecoregion of west-central Africa. This is a lush forest, rich in flora and...

consisting of two species: M. sphinx and M. leucophaeus, the mandrill and drill, respectively. Mandrillus, originally placed under the genus Papio as a...

estimated population Drill M. leucophaeus (F. Cuvier, 1807) Two subspecies M. l. leucophaeus (Mainland drill) M. l. poensis (Bioko drill) Western Africa Size:...

protected area of 51,000 hectares (130,000 acres) on the volcanic island of Bioko (formerly called Fernando Pó), a part of Equatorial Guinea. The dense rainforest...

(2,600 ft) elevation. The lowland forests are part of the Cross-Sanaga-Bioko coastal forests ecoregion. They are composed of evergreen trees with a dense...

mostly intact. This includes an endemic subspecies of drill, Mandrillus leucophaeus poensis. Bioko is a part of Equatorial Guinea. The island has a population...

meters elevation, and is surrounded at lower elevations by the Cross–Sanaga–Bioko coastal forests at the southern end of the range, and by Guinean forest–savanna...

insularis, was based on the mistaken belief that mandrills are present on Bioko Island. The consensus is that mandrills belong to one subspecies (M. s....

mountainous (up to 2500 m) forests of eastern Nigeria, western Cameroon and Bioko in Equatorial Guinea. It was formerly classified as a subspecies of the...

primates. Based on analysis of strains found in four species of monkeys from Bioko Island, which was isolated from the mainland by rising sea levels about...

Cameroon. Cercopithecus erythrotis erythrotis Waterhouse, 1838 Bioko Red-eared Monkey:Bioko island in Equatorial Guinea. The red-eared guenon is found in...

Marathon Oil and its partners Noble Energy and AMPCO have invested in the Bioko Island Malaria Control Project (BIMCP) in Equatorial Guinea. The project...

part of the Cross-Sanaga-Bioko coastal forests ecoregion, an important centre for biodiversity. It is a habitat for the drill primate, which is found in...

the Guinean forest–savanna mosaic in the far north and the Cross–Sanaga–Bioko coastal forests in the majority of the interior of the state. The smaller...

Flight 418, a Tupolev Tu-154, crashes into a mountainside on the island of Bioko in Equatorial Guinea for reasons unknown; all 46 on board die. June 4 –...

Spain control of the Portuguese islands of Annobón and Fernando Po (now Bioko) and the Guinea coast between the Niger and the Ogooué in exchange for Spanish...

terminal that will enhance the distribution of crude oil on the island of Bioko. The Ministry of Mines and Hydrocarbons under the leadership of him, has...

subspecies C. e. camerunensis (Cameroon Red-eared Monkey) C. e. erythrotis (Bioko Red-eared Monkey) Western Africa Size: 36–55 cm (14–22 in) long, plus 46–77 cm...

Equatorial Guinea, and south-west Gabon. It additionally lives on the island of Bioko. Its distribution is patchy, with populations often isolated from each other...

Bight of Bonny and separates the Nigerian mainland from Equatorial Guinea's Bioko Island. The boundary consists of nine straight-line maritime segments defined...

(Peters, 1876) - Cross River galago Sciurocheirus alleni (Waterhouse, 1838) - Bioko Allen's galago Otolemur (Coquerel, 1859) - greater bushbabies Otolemur garnettii...

Royal Navy originally used the harbour of the island of Fernando Po (now Bioko, Equatorial Guinea) off Nigeria as a base of operations. In 1855, Spain...

annually about 3,000 collared mangabeys are hunted in the Cross-Sanaga-Bioko coastal forests for the bushmeat trade. The collared mangabey is listed...

Potto, Perodicticus potto LR/lc Family: Galagidae Genus: Sciurocheirus Bioko Allen's bushbaby, Sciurocheirus alleni LR/nt Genus: Galagoides Thomas's...

folivore: Altitudinal variations in the diet and feeding ecology of the Bioko Island drill (Mandrillus leucophaeus poensis)". American Journal of Primatology...