Oribi

Oiribi pair.


Appearance

This gracious little antelope has a long, slender neck and legs. Ears are oval. The coat is rufous-brown with white under parts. The tail of the oribi is black. Situated close to the inner corners of the eyes are two large pre-orbital glands. Only the rams have short, straight horns of 80 -180 mm, which are ringed at the base. Their hindquarters slightly higher than their forequarters. Adult rams measure 600 mm at the shoulders and weighs 14 kg. Ewes are slightly larger than rams. Oribi display a distinctive "stotting" action when alarmed, which entails vertical leaps with straight legs.

Diet

Primarily a grazer, which occasionally browse on forbs. Although it occurs on flood plains, it is not dependant on free surface water.

Breeding

Seasonal breeder and in South Africa births peak in November/December. They have a gestation period of 210 days after which a single lamb is born. Lambs are hidden for about a month, and the mother returns at times to suckle her offspring. Young are weaned at about four to fivemonths.

Behaviour

Found in small monogamous groups of a ram with two ewes. These groups are territorial, and actively defend their territories of 25-100 ha in size. Territorial rams evict young rams from their family group, whereas young ewes remain longer until they can form their own pair bonds. Since it is important to maintain social bonds, a family regularly performs a dunging ceremony, although dung middens are not maintained.

Habitat

Inhabits floodplains, grasslands, open plains and montane grasslands, and marginally in light bushland.

Where they are found

Distribution is patchy and discontinuous. In South Africa Oribi occur in the northern parts of the Eastern Cape, KwaZulu-Natal, Mpumalanga, and small populations persist in the north eastern Free State and Swaziland. Rare in the eastern Caprivi of Namibia and northeastern parts of Botswana.

Latin Name:

Oribia scoparia.

Vital Statistics

Latin Name
Ourebia Ourebi
Weight (Female)
8 - 20 kg
Weight (Male)
11 - 17 kg
Length (Female)
100 cm
Length (Male)
100 cm
Gestation Period
7 months
No of Young
1 lamb
Order
Artiodactyla
Family
Bovidae
Horns
13 cm (record - 19 cm)
Breeding
A single young is born from October - December after a gestation period of 7 months.

Spoor Description

Hoofs point forward. Smaller than the Steenbok's. The hind foot is elongated.



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