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1.
Class: Mammalia
2. Order: Perissodactyla
3. Family: Rhinocerotidae
4. Genus Species: Diceros bicornis
5. Size: 1.5 to 1.9 m (5 - 6 ft) tall at shoulder; 3.1 to 3.7 m
long (10 - 12 feet)
6. Weight: 950 - 1,800 pounds; females are smaller
7. Description:
Not black at all, the black rhino probably derives its name from
the dark coloured local soil covering its skin from wallowing and/or
as a distinction from the misnamed white rhino. Large stocky animal,
naturally grey in colour but will often take the colour of the local
soil, two facial horns and a prehensile lip. The upper lip of the
black rhino who is a browser is adapted for feeding from trees and
shrubs and is the best distinguishing characteristics.
8. Life Span: 25 to 40 years
9. Reproduction:
Males 7 - 9 years; females 4 - 6 years achieving sexual maturity.
Females give birth to a single calf weighing 143 pounds. The calf
will stay with its mother until her next offspring is born. If threatened,
the mother will guard over her baby. Breeding season is throughout
the year with peaks in spring and fall. Time between births can
be as brief as 22 months, but usually varies between 2 - 4 years.
10. Gestation: 16 - 19 months
11. Habitat:
Semi-desert, bushy plains with thick covers, rugged hills, and scrubs
lands with mud wallows, grasslands, montane savanna and rain forest
up to 3500 m (11,500 feet) for example, the bushlands of Zimbabwe
12. Diet:
All rhinos are herbivores, living off various types of foliage.
Rhinos drink water from watering holes almost daily. However, when
conditions are dry, they can survive four or five days without water.
13. Predator:
Rhinos are endangered by poaching for their horns, loss of habitat,
fragmented populations and loss of genetic diversity. Young rhinos
are often preyed by large carnivores such as lions and hyenas.
14. Endangered Status:
All species of the rhinoceros (White, Black, Indian, Sumatran and
Javan ) are endangered. Wild population: 2,400 Captive population:
210
15. Special features/Specialization:
Rhinos have very poor eyesight. In fact they cannot see a person
standing motionless if they are more than 100 feet away. Since its
eyes are of opposite sides of its head, the rhinoceros must look
with one eye at a time to see straight ahead. Their ears can rotate
to pick up sounds, resulting in fairly good hearing. However, rhinos
most relies on its sense of smell. In fact, the part of the body
responsible for smell (the olfactory passages) is larger than its
entire brain. Black rhinos have a prehensile lip that is used much
like a finger to select and pick the leaves and twigs they prefer.
16. Social Organization:
Rhinos are solitary animals, although a mother will stay near her
most recent offspring until the next offspring is born. Black rhinos
travel alone except while breeding or raising offspring.
17. Conservation Status:
The black rhino has suffered the most spectacular rate of decline
of all rhino species. Between 1970 and 1992, the species suffered
a 96% reduction in population. In 1970, it was estimated that there
were approximately 65,000 black rhinos and by 1992-93, there were
only about 2,300 surviving in Africa. However, since 1996, the intense
anti-poaching efforts have had encouraging results and numbers have
been recovering and are now back to about 2,700 and still increasing.
Nevertheless, poaching remains great and there is no cause for complacency.
The International Rhino Foundation (IRF) is a non-profit corporation
of institutions and individuals worldwide whose sole purpose s dedicated
to the conservation of five species of rhinoceros - Black, White,
Sumatran, Javan and Indian. Listed by USFWS as endangered and protected
by CITES
18. Behaviors:
The black rhino is unpredictable and can be dangerous, sometimes
charging a disturbing sound or smell, for example, a vehicle or
campfire. However, it usually runs away if it detects the smell
of a person. Black rhinos are solitary animals only coming together
to mate. Rhinos are accompanied by tick birds, and cattle egrets
which feed on insects stirred up by the rhinos' feet. Rhinos sleep
during the hottest hours of the day; otherwise browsing for food.
19. Population Areas:
Sub-saharan Africa; isolated areas of central and southern Africa.
Largest concentrations occur now in Kenya, Namibia, Tanzania, S.
Africa and Zimbabwe. Numbers estimated 2,500 in the wild (65,000
just 20 years ago).
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FURTHER RESEARCH
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PICTURES / IMAGES
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