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Steenbok
Raphicerus campestrisThe tiny rufous antelope that vanishes into the grass.
The steenbok is one of East Africa's smallest antelopes - a russet, big-eared pocket of stillness on the open plains. It is a browser, not a grazer, living in solitary pairs and getting all the water it needs from its food. Spot one and it will freeze flat against the grass, then explode in a zigzag dash and drop out of sight again.
Steenbok Quick Facts
What Is the Steenbok?
The steenbok (Raphicerus campestris) is a small antelope of the gazelle tribe (Antilopini), in the genus Raphicerus alongside the grysboks. It is also called the steinbuck or steinbok. Despite its tiny size it is widespread and one of the most frequently glimpsed small antelopes on an East African game drive - if you know how to look for the russet form pressed flat in the grass.
Its range is East and southern African, not just Tanzanian. The eastern form runs from southern Kenya to central Tanzania; a separate southern population spans Angola, Namibia, Botswana, Zimbabwe, Mozambique, Zambia and South Africa. Tanzania sits at the northern edge of the eastern population, with steenbok in the Serengeti and Tarangire.
Why “Steenbok”?
"Steenbok" comes from Afrikaans (steen, "stone", and bok, "buck") - possibly for the animal's stony-grey colouring or its habit of freezing rock-still. The scientific name, Raphicerus campestris, means "small slack-horned one of the plains". Older texts also use "steinbuck".
Signature Features
A steenbok is a small, slender antelope with a rich rufous-orange coat fading to white underneath, and strikingly large, round ears with white inner surfaces. The face is marked with a white ring around each dark eye, a black bridge to the glossy black nose, and a black crescent between the ears; a black preorbital gland sits in front of the eye. The tail is so short it is barely visible.
Crucially, only males carry horns: short, straight, smooth and parallel, 7-19 cm long. (Some small antelopes have horns in both sexes - the steenbok does not.) This, plus its freeze-and-flee style, is the quick field mark.
How Big Is a Steenbok?
Steinbok stand about 45-60 cm at the shoulder and weigh just 7-16 kg - roughly the size of a large hare. They are among the smallest antelopes commonly encountered on East African plains.
Horns & Defence
The horns are a male-only feature: straight, slender and unringed, angled slightly forward, typically 7-19 cm. They are used in contests between rival males over a territory and for defence, but a steenbok's first line of defence is not its horns - it is stillness.
Habitat & Range
Steinbok favour open grassland, scrub and light woodland, especially short grass with nearby low cover to melt into. They avoid dense forest and tall thicket. They are habitat generalists across the drier savannas and are water-independent: in the Kalahari they can live 80 km from permanent water, drawing all they need from their food.
Steenbok in Tanzania
Within Tanzania, steenbok occur on the open plains of the Serengeti and in Tarangire, as well as in southern wildlife management areas. But the species is just as much a southern-African animal - present across Namibia, Botswana, Zimbabwe, Zambia, Mozambique and South Africa.
Serengeti, Tanzania
Short-grass plains and scrub hold steenbok; watch for the russet form freezing at roadside.
Serengeti safariTarangire, Tanzania
Dry-country plains and scattered scrub are good steenbok habitat, especially on dawn drives.
Tarangire safariKenya & southern Africa
Kenya's Tsavo and Amboseli, plus Namibia, Botswana and South Africa, hold the wider population.
How to spot one
Look for a small rufous shape that goes still. Stop, wait quietly, and it may relax and reveal itself.
Behavior & Social Life
Steinbok are solitary. A male and female form a stable pair bond and share a territory of roughly 4-100 hectares, but they live and feed apart and come together mainly to breed - so you almost never see a herd. Territories are marked with dung middens and preorbital-gland scent.
Their predator escape is famous: on sensing danger at a distance they freeze flat against the ground, relying on camouflage. If a predator closes in, they explode into a zigzag sprint, then drop flat again in the next patch of cover - repeating the run-and-hide cycle until the hunter gives up. Some even duck into aardvark burrows when hard pressed.
Diet & Feeding
Unlike the grazing gazelles and topi of the plains, the steenbok is a selective browser. It eats leaves, shoots, flowers and fallen fruit, and will scrape up roots and tubers with its sharp hooves. It rarely grazes. Because it lives on moist, succulent plant parts, it is independent of drinking water and can stay in arid habitat year-round.
Predators & Defense
Small and solitary, the steenbok is prey for many: eurasian and African harrier-hawks and other raptors, jackals, wild cats, baboons, pythons and smaller carnivores. Its defence is camouflage and the freeze-then-zigzag dash rather than speed or horns, though it can still break into a fast sprint when a predator presses close.
Young & Lifespan
After a gestation of about 5-6 months, a single fawn (occasionally twins) is born and hidden in cover, visited by the mother to nurse. The fawn lies motionless for its first weeks - the same freeze strategy as the adults. Steenbok live around 7-9 years in the wild.
Conservation Status
The steenbok is listed Least Concern on the IUCN Red List, with a stable trend. Population estimates vary by source and region, but the species is remarkably tolerant of lightly modified farmland and ranchland, which helps it persist across a wide range. Threats are local - habitat conversion and hunting in some areas - but the species as a whole is secure.
Safari Experience
For a Tanzania safari, steenbok are a quiet reward of the Serengeti and Tarangire plains. They are easy to overlook: a small russet shape that freezes at the roadside. Ask your guide to stop and wait, and you may watch one relax, browse, and slip away. Steenbok can be encountered in suitable open and scrub habitats, but their small size and solitary behaviour make sightings easy to miss - just a patient eye and a willing guide.
Comparisons
Two small Tanzanian antelopes are often confused. The steenbok and the oribi look alike at a distance, but differ sharply:
| Feature | Steenbok | Oribi |
|---|---|---|
| Horns | Males only (straight, 7-19 cm) | Both sexes (straight, ~8-19 cm) |
| Diet | Browser (leaves, roots, fruit) | Mostly grazer (grass) |
| Social | Solitary pairs | Small groups / pairs |
| Escape | Freeze, then zigzag & drop | Fast sprint, open ground |
| Coat | Rufous-orange, big ears | Yellow-fawn, smaller ears |
Did You Know?
Freeze, don't flee
At a distance a steenbok freezes flat against the grass, trusting its camouflage - only flushing when a predator is close.
Zigzag escape
When it bolts, it sprints in sharp zigzag turns, drops flat in new cover, and may repeat the cycle until the hunter quits.
Males only horned
Unlike many small antelopes, only the male steenbok carries horns - short, straight and unringed.
Never drinks
It gets all its water from leaves, shoots and tubers, and can live 80 km from permanent water in the Kalahari.
Solitary pairs
A male and female share a territory but live apart, meeting mainly to breed - no herds.
Least Concern, stable
Widespread and secure across East and southern Africa, thanks to its tolerance of lightly used farmland and ranchland.
On the Serengeti the grass is full of small stillnesses. You learn to read them: a russet shape that does not move, a pair of round ears tuned to nothing in particular. Then a vehicle edges closer and the stillness explodes - a zigzag stitch across the plain, and gone. The steenbok wins not by being fast but by being invisible, which is harder, and quieter.
Gallery
Frequently Asked Questions
Raphicerus campestris. It is in the gazelle tribe (Antilopini), genus Raphicerus, alongside the grysboks. Also called steinbuck.
Across East and southern Africa. The eastern form runs from southern Kenya to central Tanzania; a separate southern population spans Angola, Namibia, Botswana, Zimbabwe, Mozambique, Zambia and South Africa. Tanzania is the northern edge of the eastern range.
Yes - on the open plains of the Serengeti and in Tarangire, and in southern wildlife management areas. They are present but not abundant, and easily missed.
They are selective browsers, not grazers: leaves, shoots, flowers and fallen fruit, plus roots and tubers dug up with their hooves. They rarely eat grass and need no drinking water.
Steenbok are male-only horned browsers that freeze and zigzag; oribi are both-sexes horned grazers of more open grassland that rely on speed. Coat and ear size also differ.
No - only males. The horns are short, straight and unringed, about 7-19 cm.
They freeze flat against the grass to blend in, then erupt in a zigzag sprint and drop flat again in cover. Some slip into aardvark burrows when pressed.
Yes. A male and female form a stable pair bond and share a territory but live and feed apart, meeting mainly to breed. There are no herds.
Raptors (hawks, eagles), jackals, wild cats, baboons, pythons and smaller carnivores - anything that can take a small, solitary antelope.
They stand about 45-60 cm at the shoulder and weigh just 7-16 kg - roughly the size of a large hare.
Least Concern on the IUCN Red List, with a stable population; estimates vary by source and region.
References & Further Reading
- Animalia.bio - Steenbok: Raphicerus campestris; weight 7-16 kg; height 45-60 cm; length 70-95 cm; lifespan 7-9 yrs; East Africa (central/southern Kenya, Tanzania) + southern Africa; Least Concern.
- Ultimate Ungulate - Steenbok: Antilopinae; browsers eating leaves/shoots/fruit and dug roots/tubers; water not essential (80 km from water in Kalahari); solitary within stable pairbond, territory 4-100 ha; Least Concern (stable).
- Zoo-Guide - Steenbok: shoulder 45-60 cm; males 9-12 kg, females 8-11 kg; straight horns 3-7 in (males only); browser; digs roots/tubers; makes "forms"; Least Concern, stable.
- African Wild Trekkers - Steenbok: 7-16 kg, 45-60 cm; males only straight horns 7-19 cm; water-independent; freeze-flush-flee zigzag; Tanzania Serengeti/Tarangire/southern WMAs; not Uganda forests.
- Wikipedia - Steenbok: Raphicerus campestris; favours unstable/transitional grassland mosaics; browser; population 0.3-1.0 per km2 (up to 4).
- Animal Diversity Web - Raphicerus campestris: southern and eastern savanna; small antelope; stable pairbond social system.
