The lush greenery of the Okavango Delta, with its profusions of palm trees and reeds, gives the impression of a tropical climate; when it is, in fact, an oasis in an arid semi-desert country. The average rainfall is just 450mm per year.
Mighty Herds - It is estimated that there are about 200 000 large mammals in the Okavango Delta, though a number of these are seasonal migrants, who leave as the summer rains begin and return in the dry season.
Malaria is a serious parasitic infection. The female Anopheles mosquito is the only mosquito to carry the parasite that causes malaria. The parasite can be transferred to humans through the bite of the Anopheles mosquito.