1. The Antelopes
of Southern Africa- Enduring and Prolific, Though Underrated
by Most
The antelope family is one of the largest
in the animal kingdom. Though antelopes do not exude the sexy
aura of the big five- lion, elephant, buffalo, leopard and
rhino; they are very successful and are fully paid up members
of the African wilderness. Some species are very prolific
such as the impala, of which an estimated 100,000 can be found
in South Africa's Kruger Park alone.
But they are not immune to the human generated
changes in habitat underway in most of Africa. The roan and
sable antelopes, for example, are considered endangered in
the limited ranges they are forced to live in today. The blue
antelope, a close cousin of the roan vanished in the eighteenth
century, making it the first large mammal to go extinct in
historical times. On a daily basis, antelopes are preoccupied
in negotiating life alongside mortal enemies that include:
man, cheetahs, jackals, lions, hyenas, leopards and hunting
dogs.
Most people tend to underrate antelopes, in
comparison with other bigger or stronger animals. But the
bushman who is so well attuned to the rhythms of the natural
world has discerned subtle qualities in the eland- the largest
of Africa's antelopes. This animal has a special place in
his spiritual life and he indeed believes it can connect him
to God. It is taken as an animal endowing peace, well-being,
healing and prosperity. The eland is almost invariably represented
in bushman rock art throughout southern Africa.
In Africa, antelopes come in up to 11 tribes
and 75 species. South Africa alone hosts 29 antelope species,
more than anywhere else in Africa. All antelopes are herbivores,
hoofed and tend to chew the cud. Another defining characteristic
is the horns- carried by at least males of all species and
by females in 43 of the 75 African species. Horns consist
of an outer sheath composed mainly of keratin over a bony
core of the same shape, which grows from the frontal bones.
Keratin, a tough horny substance, is also
the main constituent of hooves, nails, claws, hair, scales,
and feathers. Horns emerge gently from an epidermal layer
surrounding the bony core; if broken or cut off they do not
regenerate. Horns are the God-given weapons through which
males of all species use to compete for dominance and reproductive
success. But they are also present in females of at least
43 species in Africa. They are however generally smaller and
invariably thinner and weaker in females.
Like other male secondary sex characteristics,
the horns' degree of development reflects on the state of
male competition. And so it is that they are no more than
simple spikes in the monogamous duikers and dwarf antelopes.
But they come huge and elaborate in the highly polygamous
species like impala, sable and kudu that have to fight aggressively
for an encounter with females that assures perpetuation of
their bloodline.
Antelopes show a marked variation in size-
ranging from the 1.5 kg and 20cm high royal antelope to the
950 kg and 178cm high eland. The colour of their jackets range
from off- white as for the Arabian oryx to black in the black
wildebeest, but most are dressed in shades of brown. The eyes
are laterally placed with horizontally elongated pupils, which
provide good rear view. The females have a single or double
pair of mammary glands.
In terms of distribution, Africa is said to
be the land of antelopes; only two tribes of antelopes occur
outside the continent. In this article we shall look at a
few species derived from the more than 6 tribes that thrive
in Southern Africa.
Among the small antelopes, the common duiker
represents the duiker tribe- technically known as cephalophini.
They have long legs and flat backs and relatively large eyes.
The horns are upright and appear only in males. Duikers live
in forest and dense bush, where they browse on leaves, twigs,
fruits, flowers and seeds. They sometimes spice their diet
with small birds, caterpillars and lizards. The adult duiker
reaches only up to 20 kg. This makes the duiker vulnerable
to eagles- which otherwise are unable to prey on the bigger
antelopes.
The dwarf antelope's -which learned people
refer to as Neotragini, have about three species secluded
in Southern Africa. These are the steenbok, the klipsringer
and kirk's dik dik. The steenbok is a small reddish antelope
with big round ears, small tail and slender long legs and
well-shaped hindquarters. They are well distributed in the
whole of Southern Africa -from south of Zambezi to southern
Angola, and not forgetting the Kalahari along the major rivers.
The steenbok inhabits open country, which
includes grasslands and scattered bushlands. It feeds on the
leaves and shoots of a wide variety of low shrub and trees,
seeds and fruits; and at a tender age can also feed on grass.
Steenboks are territorial and like most small antelopes are
largely monogamous. They are however more likely to be found
singly than in pairs. They are largely nocturnal and spend
most of the day under grassy cover.
The Kirk's dik dik is another arid antelope.
It has a pointed and mobile snout and hairy muffle with slit
like nostrils, large eyes and prominent erectile crest. They
weigh an average of 5-6 kg and the horns are ridged and slant
backwards. They live in a variety of habitats, provided there
is good cover, but generally avoid tall grass that may obstruct
their view. They feed mostly on the leaves, shoots and fruits
of most edible plants within reach.
The dik dik's extremely narrow muzzle and
incisor row, combined with their small body size enables them
to select small food items. They greatly benefit from disturbances
caused by larger animals like elephant and giraffe, which
may drop off branchlets from the top of trees. They are territorial,
and live in closely associated monogamous pairs.
The Klipspringer, another variety of small
antelope lives on rocky areas and cliffs. Their hooves are
well adapted to steep and rocky terrain -a refuge from predators
and food source. They weigh up to 14kg and are well built
with big hindquarters. They are well distributed in the Eastern
Africa right down to the tip of South Africa.
Due to their unique habitat, Klipspringers
have a niche diet of shrubs and the succulent plants that
grow in rocky areas. They will also tuck in to leaves, new
shoots, berries and fruits. Like most antelopes, they are
territorial and live in closely associated pairs. Territory
size depends on rainfall and food distribution.
The gazelles are one of the largest antelope
tribes with up to 19 species. This tribe enjoys the widest
distribution, ranging from South Africa, across Asia, Siberia
and China. They are slender medium sized antelopes built for
speed, with long, evenly developed limbs, a level back and
long neck. Both sexes except in a few species like the gerenuk
have horns-, which are strongly ridged and S-shaped.
The Springbok is the gazelle's principal representative
in Southern Africa, where it is found in most parks in the
region. They have a distinctive dorsal skin fold containing
erectile white hair. They are mostly associated with their
joyous jumping displays, especially in celebration of the
rains. Springboks are prolific sprinters and can reach speeds
of up to 80 km/h. The springbok is well honoured in South
Africa, and it is indeed the national symbol. The South African
national rugby team is proudly named after this agile antelope.
The springbok has a considerable habitat tolerance
and is the most abundant plain antelope in the arid lands
of southern Africa. However it hardly thrives in mountains
and rocky hills and avoids woodlands and tall, dense vegetation.
It is a mixed feeder -in the sense of being both a grazer
and a browser. It grazes on long tender grasses and browses
on low shrubs and succulents. They average 40 kg in body weight
though some reaching a mass of 59 kg are on record in Namibia.
Another antelope tribe of Southern Africa
is the reduncini, of which members are reedbucks, kob and
waterbuck. The reedbuck is the most common in the region,
especially the mountain reedbuck and common reedbuck. The
reduncini is a close-knit tribe with only 2 genera and about
8 species -of which 6 are geographically paired. Thus the
waterbuck, lechwe and kob are so genetically close that in
captivity they interbreed and produce viable hybrids.
Reedbucks are medium sized and have a yellow-to-grey-to-brown
coat with a round bare spot below each ear, white underparts
and bushy tail. The horns are found in males only and have
a forward facing hook design. Reedbucks fall between solitary
and gregarious territorial social systems. The common reedbuck
lives in monogamous pairs whereas the mountain reedbuck gathers
in small herds of an average of 6 animals.
Another southern Africa antelope in this tribe
is the rhebok. This medium-sized animal has a long neck, bulbous
nose, long narrow years and upright spike like horns, which
are found only in males. They exhibit short, rabbit like fur
with varying shades of grey and legs with a dark stripe on
the lower front sides. They are found only in South Africa
and typically occur in grassland habitats extending to the
coastal belt of the Cape region up to almost sea level.
The rhebok inhabits grasslands and scrub savannah
and is a mixed feeder that stays on the higher slopes during
the rains and moves to the lower slopes of grasslands when
it dries out. They are gregarious and territorial and herds
consist of 1- 15 females and young ones and a single adult
male. Females voluntarily remain in a harem within a single
territory, giving chosen males an exclusive family group.
The other key antelope tribe is the horse
antelope, technically known as hippotragini. These are usually
large antelopes with horse-like body formation. Their leading
representative in southern Africa is the oryx- a large level-backed
antelope with short neck, deep chest and long limbs. The males
are heavier than females and have thicker necks and longer
horns.
The oryx is the most perfectly desert-adapted
large mammal, and is capable of living in waterless habitats.
Only very few other hoofed animals survive in such habitats.
The African species include the Beisa oryx, mostly found in
northern East Africa; the Fringe-eared oryx of southern East
Africa and the Gemsbok, exclusively found in southern Kalahari.
The Nyala is another unique species whose
distribution is confined to southern Africa. It belongs to
the antelope tribe called tragelaphines, which includes the
bushbuck, kudu and eland. They have spiral horns with vertical
stripes and the males are markedly different from females
in body form and structure. The males are far larger than
females- reaching up to 114 kg, while females can only attain
58 kg.
The Nyala's preferred habitat is riverside
thickets, dense brush and the fringes of forest. They are
almost entirely confined to the Lowveld of the southern savannah
closely corresponding to the area of the Mozambique coastal
plain. The most popular places to see them are Hluhluwe Reserve
and Kruger National Park.
The kudu is especially noted for its spectacular
spiral horns, which give the animal a rather solid appearance.
In the greater kudu, horns can reach a length of 72 inches.
In parts of southern Africa, the horns are used as musical
instruments and symbolic ritual objects. If you see the kudu's
horns, you will understand why some cultures take them as
a symbol of male potency.
The eland is the largest of Africa's antelopes.
They can rise to 178 cm at the shoulder, and a really hefty
one can reach 950 kg. Both male and female carry horns- the
males can reach an impressive 50 inches. They can live in
semi desert, miombo woodlands, grasslands, and acacia savannah.
The hartebeest is another species widely found
in southern Africa. Among antelopes, it is one of the fastest
and most resilient runners. This gift comes in very handy,
as it is rather sedentary and therefore easy to hunt. The
hartebeest is relatively large, and a full grown adult reaches
160 kg. They thrive in open plains, and medium to tall grasslands.
Females live in a limited home range in small groups of between
5 and 12 members; most mature males are solitary. The wildebeest
and topi are similar in many ways to the hartebeest.
Your best bet of seeing most of the antelopes
of Southern Africa is by taking a South
Africa safari. On such a safari, you will of course
also see the other more celebrated wildlife, which includes
the big five. When traveling, remember to pack a pair of binoculars-
they bring the animals closer without the usual risks. A pair
of decent sunglasses is a good idea, especially if you travel
to the Kalahari, where the glare can be somewhat unsettling.
Also pack photographic and video equipment
to record your safari for the sake of those of your unlucky
friends who may not have traveled to southern Africa. On safari,
you are advised not to wear white or bright clothing to avoid
exciting the animals. Light cottons and linens are adequate
for summer.
To survive winter mornings and evenings, you
need warmer wraps and sweaters. Women should avoid wearing
scanty beachwear in rural areas, away from hotels and campsites
to avoid offending locals.
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