| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| ANIMALIA | CHORDATA | MAMMALIA | CETARTIODACTYLA | BOVIDAE |
| Scientific Name: | Cephalophus dorsalis | |||||||||
| Species Authority: | Gray, 1846 | |||||||||
Common Name/s:
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| Red List Category & Criteria: | Least Concern ver 3.1 | |||
| Year Assessed: | 2008 | |||
| Assessor/s | IUCN SSC Antelope Specialist Group | |||
| Evaluator/s: | Mallon, D.P. (Antelope Red List Authority) & Hoffmann, M. (Global Mammal Assessment) | |||
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Justification: Listed as Least Concern as the species is still widespread and relatively abundant, with an estimated population in excess of 700,000. However, increases in hunting pressure and deforestation, or alteration of primary forests, mean that this species is likely to be eliminated eventually from large parts of its current range, and may well be on its way towards qualifying for uplisting to Near Threatened. Its long-term future will be closely linked to the preservation of substantial areas of relatively unmodified equatorial forest. |
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| History: |
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| Range Description: | The Bay Duiker formerly occurred throughout the equatorial lowland forests of West and Central Africa, extending to a limited extent into forest patches in the adjoining forest-savanna mosaic. Its range stretches from Guinea-Bissau to the Rwenzori Mts, the Albertine Rift and Lake Tanganyika, and south to north-east Angola to about 11°S; there are no confirmed records from Gambia, Benin or Nigeria, west of the Cross River (Kingdon and Feer in press, and references therein). Formerly occurred in Uganda, but now extirpated (East 1999). |
| Countries: |
Native:
Angola; Cameroon; Central African Republic; Congo; Congo, The Democratic Republic of the; Côte d'Ivoire; Equatorial Guinea; Gabon; Ghana; Guinea; Guinea-Bissau; Liberia; Nigeria; Sierra Leone; Togo
Possibly extinct:
Uganda
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| Range Map: |
(click map to view full version)
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| Population: | Population densities are summarized by Wilson (2001) and Kingdon and Feer (in press). East (1999) produced a total population estimate of 725,000. While its numbers are generally stable in the less disturbed forests where hunting pressures are relatively low, its overall numbers are in decline because of loss of habitat and over-hunting for meat in other parts of its range (East 1999). |
| Population Trend: |
Decreasing
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| Habitat and Ecology: | Inhabits primary and relatively unmodified equatorial forests ranging from lowland to mid elevations. While it shows a preference for high primary rainforest, they may occupy patches of forest within savanna mosaics; also occurs in old farm-bush and old secondary forest (Kingdon and Feer in press). |
| Systems: | Terrestrial |
| Major Threat(s): | The major threats to this species include bushmeat hunting, which takes place across its range (using both cable snares and nets) and habitat loss and degradation (particularly in the face of expanding human settlement), especially given its preference for primary forest. |
| Conservation Actions: | The Bay Duiker occurs in a number of protected areas including: Sapo (Liberia), Kakum (Ghana), Campo, Dja and Lobeke (Cameroon), Dzanga-Sangha and Bangassou (Central African Republic), Monte Aien (Equatorial Guinea), Lope, Minkebe and other forests (Gabon), Odzaia and Nouabate-Ndoki-Kabo (Congo-Brazzaville) and lturi, Kahuzi-Biega, Maiko and Salonga (Congo-Kinshasa) (East 1999; Wilson 2001). |
| Citation: | IUCN SSC Antelope Specialist Group 2008. Cephalophus dorsalis. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 04 December 2008. |
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