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Giraffes
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The giraffe is the tallest of all land-living animal
species. It is covered in large, irregular patches of yellow
to black fur separated by white, off-white, or dark yellowish brown
background. Each individual has a unique coat pattern. The average mass
for adult giraffes lies between 1,200 kilograms and 830 kilograms. They
are approximately 4.3 metres to 5.2 metres tall. The necks and horns of
males are longer than those of females. The giraffe is related to deer
and cattle, also a ruminant and its range extends from Chad in Central
Africa to South Africa, subclassified into 9 different subspecies. The
most common ones are Masai, Reticulated, Rothschild and South-African
giraffe, differentiated by pattern or colour variations and range. The
life expectancy is up to 20 or 25 years in the wild.
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Giraffes usually inhabit
savannas, grasslands, or open woodlands and prefer areas with
plenty of acacia growth. Female giraffes associate in groups of
a dozen or so members, occasionally including a few younger
males. Younger males tend to live in "bachelor" herds, with
older males often leading solitary lives. Reproduction is
polygamous, with a few older males impregnating all the fertile
females in a herd. Before mating males often engage in necking.
Males that are successful in necking seem to have greater access
to the girls. Giraffe gestation lasts between 400 and 460 days.
The mother gives birth standing up and the embryonic sack
usually bursts when the baby falls to the ground. It sometimes
happens that the newborns die due to the fall from height.
Newborn giraffes are about 1.8 m tall.
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The evolution of the giraffe's long neck has been the subject of much
debate. Probably they were evolved to allow the giraffes to browse
vegetation that was out of the reach of other herbivores in the
vicinity, giving them a competitive advantage. For drinking they have to
bend down which is a daily challenge. To reach ground level they have to
splay their front legs at an angle of almost 45 degrees. It is also when
they are most vulnerable to lions and crocodiles. So they usually check
the surrounding carefully before drinking. Its only defence is a
powerful kick which breaks bones if well-placed. The pace of the giraffe
is an amble, although when pursued they are able to run as fast as 55
km/h. Their gait is very unusual with the left legs moving together
followed by right. Giraffes giraffe have a very short sleep, which is
only between ten minutes and two hours a day.
These areas are giraffe country and you won't leave without spotting any
of these elegant creatures:
- Etosha National Park, Namibia
- Murchison Falls National Park, Uganda
- Ruaha National Park, Tanzania
- Samburu & Buffalo Springs Game Reserves, Kenya
- South Luangwa National Park, Zambia
- Tsavo East National Park, Kenya
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