Cephalophus harveyi 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Cetartiodactyla Bovidae

Scientific Name: Cephalophus harveyi
Species Authority: (Thomas, 1893)
Common Name(s):
English Harvey's Duiker, Harvey's Red Duiker, East African Red Duiker
French Céphalophe De Harvey
Taxonomic Notes: Often treated as a subspecies of the Natal Red Duiker C. natalensis (Ansell 1972; Grubb and Groves 2001; Wilson 2001; Grubb 2005), but here retained as a separate species following Kingdon (1982), East (1999) and Kingdon and Rovero (in press).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): IUCN SSC Antelope Specialist Group
Reviewer(s): Mallon, D.P. (Antelope Red List Authority) & Hoffmann, M. (Global Mammal Assessment)
Listed as Least Concern as the species remains reasonably widespread and is well represented and common in protected areas in its range. Although declining, the rate of decline is not yet considered to have reached a threshold meriting a listing as Near Threatened. However, the long-term survival of Harvey’s Duiker is increasingly dependent on the maintenance of viable populations within national parks and reserves which are effectively protected against habitat destruction and illegal hunting.
Previously published Red List assessments:
1996 Lower Risk/conservation dependent (LR/cd)

Geographic Range [top]

Range Description: Harvey's Duiker occurs in central and south-eastern Kenya, north-eastern and central Tanzania, marginally in southern Somalia, and northern Malawi; there is a single record from Zambia (Kingdon and Rovero in press).

In Ethiopia an expedition to the Harenna forest in the southern part of Bale Mountains National Park in 1986 produced positive sightings of a “red” duiker. This was the first confirmed sighting of a Cephalophus duiker from Ethiopia. There has also been a subsequent sighting of this duiker in the same area. While identification of the species awaits confirmation, it is considered highly likely to be Harvey’s Duiker. This species occurs in southern Somalia and could have entered the Bale forests up the Juba and Genale valleys, a route which has been used by forest primates. In 1996, the presence of an unidentified species of red duiker was confirmed in dense bush around and north of the headquarters of Omo National Park in the south-west. The Omo population could be Weyns’ duiker (C. weynsi), which occurs in the lmatong Mountains of south-eastern Sudan 400 km to the south-west, but is here treated as an isolated population of C. harveyi (following East 1999, Wilson 2001 and Kingdon and Rovero in press).
Countries occurrence:
Kenya; Malawi; Somalia; Tanzania, United Republic of; Zambia
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: East (1999) produced a total population estimate of 20,000 individuals, but this must be a substantial underestimate. The overall population trend is downwards as pressures of habitat destruction and subsistence hunting increase with expanding human populations (East 1999).
Current Population Trend: Decreasing
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: Harvey’s Duiker occurres in lowland and montane forests, isolated forest patches, riverine forest, coastal scrub, thickets and other habitats with thick cover (East 1999; Kingdon and Rovero in press). Occurs to elevations above 2,400 m in some Eastern Arc massifs (e.g., in the Ulugurus; Doggart et al. 2004).
Systems: Terrestrial

Threats [top]

Major Threat(s): The main threats are habitat loss due to timber extraction and encroachment of settlement, especially in the many coastal and montane forests. It continues to be heavily hunted throughout most of its range, using both dogs and wire snares.

In Somalia, this species was recorded from riverine habitats on the lower Shebelle and Juba Rivers and in coastal scrub and forest in the Lake Badana region, but by the mid-l980s, it had lost almost all of its habitat on the Juba and Shebelle Rivers to agricultural expansion and survived in only a few remaining patches of riverine forest on the lower Juba.

Conservation Actions [top]

Conservation Actions: It is well represented in several protected areas, including Aberdares and Mount Kenya National Parks and Forest Reserves, and Shimba Hills and Tana River National Reserves (Kenya), Mount Kilimanjaro, Udzungwa Mountains, Mikumi, Arusha and Lake Manyara National Parks (Tanzania), Bush Bush National Park (Somalia) and Bale Mountain N.P. (Ethiopia) (Kingdon and Rovero in press).

There is a need for further taxonomic work to investigate the status of this species relative to Natal Red Duiker.

Classifications [top]

1. Forest -> 1.6. Forest - Subtropical/Tropical Moist Lowland
suitability: Suitable  
1. Forest -> 1.9. Forest - Subtropical/Tropical Moist Montane
suitability: Suitable  
3. Shrubland -> 3.6. Shrubland - Subtropical/Tropical Moist
suitability: Suitable  
3. Shrubland -> 3.7. Shrubland - Subtropical/Tropical High Altitude
suitability: Marginal  
2. Land/water management -> 2.1. Site/area management
3. Species management -> 3.1. Species management -> 3.1.1. Harvest management

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Conservation sites identified:Yes, over entire range
In-Place Species Management
In-Place Education
1. Residential & commercial development -> 1.1. Housing & urban areas
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

5. Biological resource use -> 5.1. Hunting & trapping terrestrial animals -> 5.1.1. Intentional use (species is the target)
♦ timing: Ongoing    
→ Stresses
  • 2. Species Stresses -> 2.1. Species mortality

5. Biological resource use -> 5.3. Logging & wood harvesting -> 5.3.5. Motivation Unknown/Unrecorded
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

1. Research -> 1.1. Taxonomy
3. Monitoring -> 3.1. Population trends

♦  Food - human
 Local : ✓ 

Bibliography [top]

Ansell, W.F.H. 1972. Part 2, 15 Family Artiodactyla. In: J. Meester and H.W. Setzer (eds), The Mammals of Africa: An Identification Manual, pp. 1-84. Smithsonian Institution Press, Washington, DC, USA.

Doggart, N., Lovett, J., Mhoro, B., Kiure, J, Perkin, A. and Burgess, N. D. 2004. Biodiversity surveys in the forest reserves of the Uluguru Mountains: a description of the biodiversity of individual Forest Reserves. Tanzania Forest Conservation Group, Dar es Salaam, Tanzania.

East, R. 1999. African Antelope Database 1999. IUCN, Gland, Switzerland and Cambridge, UK.

Grubb, P. 2005. Artiodactyla. In: D.E. Wilson and D.M. Reeder (eds), Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), pp. 637-722. Johns Hopkins University Press, Baltimore, USA.

Grubb, P. and Groves, C. P. 2001. Revision and Classification of the Cephalophinae. In: V. J. Wilson (ed.), Duikers of Africa: Masters of the African Floor, pp. 703-728. Chipangali Wildlife Trust, Bulawayo,Zimbabwe.

Kingdon, J. and Rovero, F. 2013. Cephalophus harveyi. In: J. S. Kingdon and M. Hoffmann (eds), The Mammals of Africa, Academic Press, Amsterdam, The Netherlands.

Wilson, V. J. 2001. Duikers of Africa: Masters of the African Forest Floor. Directory Publishers, Bulawayo, Zimbabwe.

Citation: IUCN SSC Antelope Specialist Group. 2008. Cephalophus harveyi. The IUCN Red List of Threatened Species 2008: e.T4154A10495233. . Downloaded on 25 November 2015.
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