The Kalahari Desert is a large arid to semi-arid sandy area in southern
Kgalagadi Africa extending
900,000 km² (362,500 sq. mi.), covering much of
Botswana and parts of
Namibia and
South Africa, as semi-desert, with huge tracts of excellent grazing after good rains. The Kalahari Desert is in Africa at the southern part and the desert is a portion of desert and a plateau. The Kalahari supports some animals and plants because most of it is not true desert. There are small amounts of rainfall and the summer temperature is very high. It usually receives 3-10 inches of rain per year. The surrounding
Kalahari Basin covers over 2.5 million km² extending farther into Botswana, Namibia and South Africa, and encroaching into parts of
Angola,
Zambia and
Zimbabwe. The only permanent river, the
Okavango, flows into a
delta in the northwest, forming marshes that are rich in wildlife. Ancient dry riverbeds—called
omuramba—traverse the Central Northern reaches of the Kalahari and provide standing pools of water during the rainy season. Previously havens for wild animals from elephant to giraffe, and for predators such as lion and cheetah, the riverbeds are now mostly grazing spots, though leopard or cheetah can still be found.
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