Christophe Courteau / White backed vulture (Gyps africanus) feeding, Linyanti Game Reserve, Botswana.

Ben Osborne / Aerial view of African elephants (Loxodonta africana) find shade under trees to avoid midday sun, during a drought. Northern Botswana. Taken on location for BBC Planet Earth series, October 2005

Gerry Ellis / African Elephant (Loxodonta africana) herd of adults and calves running, Linyanti Swamp, Botswana

Gerry Ellis / Sunset and storm clouds over waterhole, Kwando River flood plain, Linyanti Swamp, Okavango Delta, Botswana

Richard Du Toit / African elephant sprays itself with mud {Loxodonta africana} Linyanti, Botswana, Southern Africa. The mud-pack, when dry, forms a hard crust that deters insect attacks.

Pete Oxford / Lions basking in sun {Panthera leo} Linyanti, Botswana

Karine Aigner / Cheetah (Acinonyx jubatus) trying to fight off a pack of African wild dogs (Lycaon Pictus) from stealing Impala prey in Linyanti Wildlife Reserve, Botswana.

Karine Aigner / African wild dogs (Lycaon pictus) five attack a Cheetah (Acinonyx jubatus) defending its Impala kill. Linyanti Wildlife Reserve, Botswana.

Karine Aigner / African wild dog (Lycaon pictus) running in blurred motion while hunting at dusk. Linyanti Wildlife Reserve, Botswana.

Christophe Courteau / Aerial view of the swamps of the Linyanti River, north Botswana near border with Namibia

Sean Crane / Cheetah (Acinonyx jubatus) sitting on a termite mound, Linyanti Swamp, Botswana

Sean Crane / Cheetah (Acinonyx jubatus) pair on termite mound, Linyanti Swamp, Botswana