Overview

Distribution

Range Description

The Mountain Reedbuck occurs in three separate populations in East and southern Africa, and in a restricted area of eastern Nigeria and north-central Cameroon (East 1999; Avenant in press).

The Southern Mountain Reedbuck (R. f. fulvorufula) occurs in South Africa, Lesotho, Swaziland, Botswana, and Mozambique (Lubombo Mtns only).

Chanler's Mountain Reedbuck (R. f. chanleri) occurs in south-eastern Sudan, Ethiopia, Uganda, Kenya, and northern Tanzania.

The Western Mountain Reedbuck (R. f. adamauae) has been reduced to a small, declining remnant subpopulation in Nigeria in the Gashaka-Gumpti N.P. and the Gotel Mtns. adjoining the park’s southern boundary, and in Cameroon in the Adamaoua Mtns. and the hunting zones below, as well as in the hunting zones between Benoue and Bouba Ndjida N.P. (East 1999; Nicholas 2004; Avenant in press).
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Geographic Range

Mountain reedbucks inhabit three separate geographic areas, each containing a recognized subspecies. Southern mountain reedbucks are found from the eastern Cape Province to southeastern Botswana. Throughout history some populations have disappeared in this range for various reasons. The East African subspecies (Chanler's Mountain Reedbuck) is found in Tanzania, Kenya, Uganda, Sudan, and Ethiopia. The West African subspecies has only been found in Camroon.

Biogeographic Regions: ethiopian (Native )

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Physical Description

Morphology

Physical Description

An adult male mountain reedbuck is about 70 cm tall at the shoulders and weighs 30 kg. The species is characterized by short curved horns. Adult female mountain reedbucks are smaller than males, but both sexes have grayish brown hair on the body, rufous necks, white undersides, and a bushy tail with a white underside. Both males and females also display a dark scent patch underneath the ears.

Average mass: 30 kg.

Other Physical Features: endothermic ; homoiothermic; bilateral symmetry

Sexual Dimorphism: male larger; ornamentation

Average mass: 30000 g.

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Mountain Reedbuck live on ridges and hillsides in broken rocky country and high-altitude grasslands (often with some tree or bush cover), from 1,500-5,000 m (East 1999; Avenant in press). They are predominantly grazers, and water is an important habitat requirement.

Systems
  • Terrestrial
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Habitat

Mountain reedbucks are normally found in hilly, broken terrain with grasses dominating the ground cover. They inhabit areas with scattered trees with water sources nearby. They will use flat terrain adjacent to hilly and broken terrain.

Habitat Regions: terrestrial

Terrestrial Biomes: savanna or grassland ; scrub forest ; mountains

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Trophic Strategy

Food Habits

Mountain reedbucks have been recognized as roughage grazers that primarily feed on grasses. In one study monocots constituted 99.5% of the material found in the rumen. Mountain reedbucks possess the ability to selectively graze to obtain the highest nutrition from a low quality diet.

Plant Foods: leaves

Primary Diet: herbivore (Folivore )

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Associations

Ecosystem Roles

As folivores, mountain reedbucks provide an important link in food webs. they are hunted by lions, leopards, wild dogs, jackals, and caracal, and sometimes baboons. Therfore, as a prey species, they potentially impact the populations of predators. They probably also influence the growth of vegetation through their own foraging behavior.

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Predation

Predators of the mountain reedbuck include lions, leopards, wild dogs, jackals, and caracal, and sometimes baboons. There is currently no evidence to show predation as a limiting factor on reedbuck populations. The only predator that may pose a threat to the populations is humans and the over-hunting of mountain reedbuck.

Known Predators:

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Known predators

Redunca fulvorufula is prey of:
Papio
Homo sapiens
Canis lupus
Panthera leo
Panthera pardus
Caracal caracal

This list may not be complete but is based on published studies.
  • Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 16, 2011 at http://animaldiversity.org. http://www.animaldiversity.org
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Life History and Behavior

Behavior

Communication and Perception

Mountain reedbucks will use a shrill whistle to indicate danger nearby. They will also use a whistle to warn other animals of its home range along with scent and visual displays.

Communication Channels: visual ; acoustic ; chemical

Other Communication Modes: pheromones ; scent marks

Perception Channels: visual ; acoustic

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Life Expectancy

Lifespan/Longevity

Although no lifespan has been reported for R. fulvorufula, another species in the genus, R. redunca is reported to live as long as 18 years in captivity. It is likely that mountain reedbucks are similar.

In one study the number of carcasses found increased during the late winter period which indicated the animals are in bad condition in winter leading to higher mortality. This also indicated mountain reedbuck are more vulnerable to predation during times of low productivity.

Average lifespan

Status: wild:
12.0 years.

  • Nowak, R. 1999. Walker's Mammals of the World, Sixth Edition. Baltimore and London: The Johns Hopkins University Press.
  • Irby, L. 1973. A preliminary report on the mountain reedbuck (Redunca fulvorufula) in the Loskop Dam Nature Preserve. Journal of South African Wildlife Management, 3/2: 53-58.
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Lifespan, longevity, and ageing

Maximum longevity: 15 years (captivity) Observations: In the wild these animals live up to 12 years (Bernhard Grzimek 1990). One wild born specimen was about 15 years old when it died in captivity (Richard Weigl 2005).
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Reproduction

Reproduction

Redunca fulvorufula is polygynous. Reproduction throughout the year can be observed in mountain reedbucks but the peak of the breeding activity is in summer and autumn with the peak of the lambing season during the summer rain periods.

Mating System: polygynous

Female mountain reedbucks can experience first estrus at 9 to 12 months, but most do not experience it until 12 to 24 months. Males produce viable sperm at 1 year. Lambing intervals run from 9 months to 14 months with the gestation period normally eight months. One lamb is typically born at a time.

Breeding interval: Mountain reedbuck have breeding intervals of 9 to 14 months.

Breeding season: Breeding typically occurs in summer and autumn.

Range number of offspring: 1 (low) .

Average number of offspring: 1.

Range gestation period: 7.87 to 8.37 months.

Average gestation period: 8 months.

Range age at sexual or reproductive maturity (female): 9 to 24 months.

Average age at sexual or reproductive maturity (female): 12 months.

Average age at sexual or reproductive maturity (male): 1 years.

Key Reproductive Features: iteroparous ; seasonal breeding ; gonochoric/gonochoristic/dioecious (sexes separate); fertilization ; viviparous

Average birth mass: 3000 g.

Average number of offspring: 1.

Average age at sexual or reproductive maturity (male)

Sex: male:
335 days.

No information was found on parental care of the mountain reedbuck. However, in general, bovids produce precocious offspring which are able to follow the mother from a very early age. The female provides her young with milk until weaning. Because the interbirth intervalis about one year, it is safe to assume that at offspring is weaned before it is a year old.

Parental Investment: no parental involvement; altricial ; pre-fertilization (Protecting: Female); pre-hatching/birth (Provisioning: Female, Protecting: Female); pre-weaning/fledging (Provisioning: Female, Protecting: Female); pre-independence (Protecting: Female)

  • Irby, L. 1979. Reproduction in mountain reedbuck. Mammalia, 43: 191-213.
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
IUCN SSC Antelope Specialist Group

Reviewer/s
Mallon, D.P. (Antelope Red List Authority) & Hoffmann, M. (Global Mammal Assessment)

Justification
Listed as Least Concern as the Mountain Reedbuck remains widespread and survives in reasonably good numbers. The conservation status of the species as a whole is unlikely to change in the long term, as long as it continues to be represented by good-sized, stable or increasing populations on private land and in protected areas in southern Africa. The prospects for the other two subspecies are less satisfactory.

History
  • 2003
    Least Concern
    (IUCN 2003)
  • 1996
    Lower Risk/conservation dependent
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Conservation Status

Hunting of mountain reedbucks must be managed carefully since the animals do not move to areas of high productivity. Hunting has not been shown to be a major factor in negatively impacting populations of mountain reedbucks, but it has been in other ungulate populations. The mountain reedbuck is listed as conservation dependent by IUCN.

US Federal List: no special status

CITES: no special status

IUCN Red List of Threatened Species: least concern

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Population

Population
Densities of Mountain Reedbuck within protected areas vary greatly according to factors such as the extent of suitable habitat. Estimated densities of the southern subspecies in protected areas in South Africa vary from 0.1/km² or less in areas such as Karoo, Addo-Zuurberg and Marakele National Parks to 3.0-3.5/km² in Golden Gate Highlands and Royal Natal National Parks and 7.5/km² in Mountain Zebra National Park. lrby (1977) reported a density of 4.9/km² of Chanler’s Mountain Reedbuck on ranchland in Kenya’s Rift Valley.

The current total population is estimated at over 36,000 individuals (33,000 Southern Mountian Reedbuck, 2,900 Chanler's Mountain Reedbuck, and 450 Western Mountain Reedbuck) (East 1999). The estimate for Chanler’s Mountain Reedbuck may be very conservative if this subspecies still occurs in significant numbers on private land in Kenya (East 1999). The estimate for Western Mountain Reedbuck may also be slightly low; they have been reported as locally common, albeit declining, in Gashaka Gumpti N.P. (Nicholas 2004). Overall population trends are more or less stable for the Southern Mountain Reedbuck, but decreasing for the other two subspecies.

Population Trend
Stable
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Threats

Threats

Major Threats
The main threats to Mountain Reedbuck include the expansion of human settlement, poaching, widespread disturbance by cattle herders and their livestock, and hunting by dogs (Avenant in press).
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Management

Conservation Actions

Conservation Actions
Southern Mountain Reedbuck occur in sizeable numbers in both protected areas and on private land. In South Africa alone, they are protected in at least nine National Parks, and in numerous provincial reserves and conservancies.

Chanler’s Mountain Reedbuck occur in viable populations in Awash, Nechisar, Omo and Mago National Parks (Ethiopia), the Aberdares, Nairobi and Lake Nakuru National Parks (Kenya), and Arusha and Tarangire National Parks and the Ngorongoro Conservation Area (Tanzania) (East 1999). Western Mountain Reedbuck occur in the Gashaka-Gumpti N.P., while in Cameroon there is some protection from poachers in the hunting zones below the Adamaoua Mtns and in the hunting zones between Benoue and Bouba Ndjida National Park (East 1999; Avenant in press).
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Relevance to Humans and Ecosystems

Benefits

Economic Importance for Humans: Negative

Mountain reedbucks can compete with domestic livestock for available grazing habitat, but for the most part they inhabit areas that are undesirable for cattle.

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Economic Importance for Humans: Positive

Mountain reedbucks possess qualities that make them a challenge for sport hunting and are sought after for their venison. They are also an important animal for wildlife viewing. According to Irby (1975), mountain reedbucks represent a species that should be encouraged in the Cape Province for its ecological, recreational, and aesthetic values.

Positive Impacts: food ; ecotourism

  • Irby, L. 1975. Meat production potential of mountain reedbuck. South African Journal of Animal Science, 5: 67-76.
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Wikipedia

Mountain Reedbuck

Mountain reedbuck photographed in Tierpark Berlin, July 2005.

The mountain reedbuck (Redunca fulvorufula) is an antelope found in mountainous areas of much of Sub-Saharan Africa.[1]

The mountain reedbuck averages 75 cm at the shoulder, and weighs around 30 kg. It has a grey coat with a white underbelly and reddish-brown head and shoulders. The male has ridged horns of around 35 cm, which curve forwards.

The mountain reedbuck lives in thick mountainous forest, where it eats grasses and leaves. It forms herds of around five individuals, including a single mature male. Adolescent males are forced out of their herds and form small bachelor herds. In the dry season, the mountain reedbuck sometimes forms herds of up to thirty individuals. They are diurnal, but inactive during the heat of the day.

Subspecies

References

  1. ^ a b IUCN SSC Antelope Specialist Group (2008). Redunca fulvorufula. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 5 April 2009. Database entry includes a brief justification of why this species is of least concern
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