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Home -> Kingdom Animalia -> Phylum Chordata -> Subphylum Vertebrata -> Class Mammalia -> Order Artiodactyla -> Family Bovidae -> Subfamily Antilopinae -> Species Raphicerus campestris

Raphicerus campestris
steenbok



2009/06/28 04:38:55.571 GMT-4

By Toni Lynn Newell

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Order: Artiodactyla
Family: Bovidae
Subfamily: Antilopinae
Genus: Raphicerus
Species: Raphicerus campestris

Geographic Range

The steinbuck is found in the southern and eastern savanna of Africa. There are two main populations of steinbuck, separated from one another by the miombo woodlands (Kingdon, 1982).

Biogeographic Regions:
ethiopian (native ).

Habitat

Steinbucks prefer open areas, but they require cover nearby (Stuart and Stuart, 1995). Steinbucks are never found in wooded or broken areas. They are beginning to be found in slightly wooded areas and areas where the environment is more open due to cultivation and road building (Kingdon, 1982).

Terrestrial Biomes:
savanna or grassland .

Physical Description

Mass
7 to 16 kg; avg. 11.50 kg
(15.4 to 35.2 lbs; avg. 25.3 lbs)


Basal Metabolic Rate


The steinbuck is a small antelope (Stuart and Stuart, 1995). The length of its head and body ranges from 70 - 95 cm. The shoulder height varies from 45 - 60 cm. The tail is very short, with total length ranging from 4 - 6 cm (Kingdon, 1982). The horns are only found on males; they range in height from 9- 19 cm (Kingdon, 1982) and are vertical in orientation (Stuart and Stuart, 1995). The coloration of the steinbuck is reddish-fawn, with a white throat and belly. They also have large, white lined ears. The hooves are sharp and serve a variety of functions (Kingdon, 1982).

Some key physical features:
endothermic ; bilateral symmetry .

Reproduction

Number of offspring
1 to 2; avg. 1.50

Gestation period
5.60 to 5.90 months; avg. 5.75 months

Birth Mass
920 g (average)
(32.38 oz)
[External Source: AnAge]


Time to weaning
3 months (average)

Age at sexual or reproductive maturity (female)
243 days (average)
[External Source: AnAge]


Age at sexual or reproductive maturity (male)
243 days (average)
[External Source: AnAge]


Steinbucks breed throughout the year (Kingdon, 1982), but calves are usually born in the summer (Stuart and Stuart, 1995). The interval between births ranges from five and a half to nine months. The gestation period ranges from 168 - 177 days. At birth, the young steinbucks weigh around one kilogram. Within five minutes of birth, steinbucks begin to feed from their mothers. Steinbucks begin to eat grass around two weeks after birth (Kingdon, 1982). For the first few weeks, young steinbucks remain hidden (Stuart and Stuart, 1995). Steinbucks are weaned in three months (Kingdon, 1982).

Key reproductive features:
gonochoric/gonochoristic/dioecious (sexes separate); sexual .

Behavior

Steinbucks are usually found singly or in pairs, and they are a territorial species (Stuart and Stuart, 1995). Sometimes, however, steinbucks occur in small grazing groups. The home range of a steinbuck is estimated to be around 4 - 5 hectacres. Males maintain the same territory for a long period of time. Territories are confirmed by the chasing away of other steinbucks. Territories are also marked by dung piles (Kingdon, 1982). Steinbucks eat in the early morning and in the late afternoon (Stuart and Stuart, 1995). When a predator approaches, the steinbuck freezes. If the predator comes too close, the steinbuck flees (Kingdon, 1982).

Key behaviors:
motile ; social .

Food Habits

The diet of the steinbuck ranges from grasses to roots and tubers of some plants. Steinbucks prefer the shoots of buchland trees and shrubs. They prefer foods that are rich and easily digestible. Steinbuck tend to eat more grasses in the early rainy season or after burns (Kingdon, 1982).

Economic Importance for Humans: Positive

In Africa, steinbucks have been hunted for sport and meat. They are captured by snaring or by hunting with dogs (Kingdon, 1982).

Ways that people benefit from these animals:
food ; body parts are source of valuable material.

Conservation Status

IUCN Red List: [link]:
Lower Risk - Least Concern.

US Federal List: [link]:
No special status.

CITES: [link]:
No special status.

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Other Comments

Steinbucks are mainly hunted by cheetahs, wild dogs, caracals, jackals, and hyaenas. Unlike some animals in Africa, steinbucks have probably benefited from human presence. (Kingdon, 1982).

Contributors

Toni Lynn Newell (author), University of Michigan.

References

Kingdon, J. 1982. East African Mammals: An Atlas of Evolution in Africa; Volume III Part C (Bovids). Academic Press. London, New York, and San Francisco.

Stuart, C.T. and M.D. Stuart. 1995. Field Guide to the Mammals of Southern Africa. Struck Publishers (Pty) Ltd. Cape Town.

2009/06/28 04:38:56.257 GMT-4

To cite this page: Newell, T. 1999. "Raphicerus campestris" (On-line), Animal Diversity Web. Accessed July 06, 2009 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Raphicerus_campestris.html.

Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.

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