Dry cracked and parched Kafue River flats - Zambia

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A Western (or Californian) scrub-jay perched in a dry bush - California, USA

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

Aerial view of camels being herded by the Rendille tribe - Northern Kenya

Aerial view of group of camels walking across the desert - Africa

Aerial view of group of camels walking across the desert - Africa

Aerial view of group of camels walking across the desert - Africa

A group of shags standing on a rock - Scotland

Griffon vulture portrait, facing away from camera - France

Male marabu stork in a pool of water - Tanzania

Female and young chimpanzee in a tree - Tanzania

Female and young chimpanzee in a tree - Tanzania

A sunset view from the Sani pass road with low clouds suspended - uKhahlamba Drakensberg Park, South Africa

Scenic view of the mountains of the Royal Natal National Park in the sun - South Africa

Red hot air balloon rises over mountain ranges and a lake - South Africa

Hot air balloon rises up above farmland - South Africa

Cape Town city centre at sunrise with a view of Table Mountain - Cape Town, South Africa

Cape Town city centre at sunrise with a view of Table Mountain - Cape Town, South Africa

Dew-covered cobweb at dawn - South Africa